src: https://www.youtube.com/watch?v=v_1zB2WNN14
- Linux World
- Linux High level understanding
- Linux Introduction
- Linux Distributions
- Linux Features
- Basic Commands PWD and clear
- ls commands
- cd commands
- cat commands
- grep commands
- sort commands
- pipe commands
- cp commands
- mv commands
- mv/cp commands with all txt files
- mkdir commands
- rm & rmdir commands
- Working with user Permissions : 'r','w' & 'x'
- Working with user Permissions : 'r','w' & 'x' Chmod,Chown,chgrp
- Working with Linux Repository
- Working with Tar files
- Working with Environment Variables
- Working with Regular Expressions
- Process
- Creating users
- SSH (Secure Shell) for Remote Machine Access
- --help command will give details about the command options
- How to install linux in windows OS
- Linux High level understanding
- Cat Command use 1
jdublnx@JDUBUNTO:~$ cd Documents/
jdublnx@JDUBUNTO:~/Documents$ ls
file1.txt
jdublnx@JDUBUNTO:~/Documents$ cat file1.txt
total 100
drwxr-xr-x 16 jdublnx jdublnx 4096 4ζ 22 11:15 .
drwxr-xr-x 3 root root 4096 4ζ 21 14:04 ..
drwxr-xr-x 13 jdublnx jdublnx 4096 4ζ 21 16:11 .cache
drwx------ 11 jdublnx jdublnx 4096 4ζ 21 14:25 .config
drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 22 09:25 Desktop
drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 22 11:25 Documents
drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 21 14:13 Downloads
drwx------ 3 jdublnx jdublnx 4096 4ζ 21 14:14 .gnupg
drwxr-xr-x 3 jdublnx jdublnx 4096 4ζ 21 14:13 .local
drwx------ 4 jdublnx jdublnx 4096 4ζ 21 14:19 .mozilla
drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 21 14:13 Music
drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 21 14:13 Pictures
drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 21 14:13 Public
drwx------ 2 jdublnx jdublnx 4096 4ζ 21 14:14 .ssh
drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 21 14:13 Templates
drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 21 14:13 Videos
-rw-r--r-- 1 jdublnx jdublnx 3771 4ζ 21 14:04 .bashrc
-rw-rw-rw- 1 jdublnx jdublnx 1929 4ζ 22 11:15 Install_CentOS_in_VM.md
-rw-r--r-- 1 jdublnx jdublnx 807 4ζ 21 14:04 .profile
-rw------- 1 jdublnx jdublnx 378 4ζ 22 09:47 .bash_history
-rw-r--r-- 1 jdublnx jdublnx 220 4ζ 21 14:04 .bash_logout
-rw-r----- 1 jdublnx jdublnx 5 4ζ 22 09:12 .vboxclient-clipboard.pid
-rw-r----- 1 jdublnx jdublnx 5 4ζ 22 09:12 .vboxclient-display-svga-x11.pid
-rw-r----- 1 jdublnx jdublnx 5 4ζ 22 09:12 .vboxclient-draganddrop.pid
-rw-r----- 1 jdublnx jdublnx 5 4ζ 22 09:12 .vboxclient-seamless.pid
-rw-r--r-- 1 jdublnx jdublnx 0 4ζ 21 14:17 .sudo_as_admin_successful
jdublnx@JDUBUNTO:~/Documents$ cat > file2.txt
hi my name is jd
welcome to linux world
jdublnx@JDUBUNTO:~/Documents$ cat file2.txt
hi my name is jd
welcome to linux world
jdublnx@JDUBUNTO:~/Documents$ cat file1.txt
total 100
drwxr-xr-x 16 jdublnx jdublnx 4096 4ζ 22 11:15 .
drwxr-xr-x 3 root root 4096 4ζ 21 14:04 ..
drwxr-xr-x 13 jdublnx jdublnx 4096 4ζ 21 16:11 .cache
drwx------ 11 jdublnx jdublnx 4096 4ζ 21 14:25 .config
drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 22 09:25 Desktop
drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 22 11:25 Documents
drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 21 14:13 Downloads
drwx------ 3 jdublnx jdublnx 4096 4ζ 21 14:14 .gnupg
drwxr-xr-x 3 jdublnx jdublnx 4096 4ζ 21 14:13 .local
drwx------ 4 jdublnx jdublnx 4096 4ζ 21 14:19 .mozilla
drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 21 14:13 Music
drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 21 14:13 Pictures
drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 21 14:13 Public
drwx------ 2 jdublnx jdublnx 4096 4ζ 21 14:14 .ssh
drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 21 14:13 Templates
drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 21 14:13 Videos
-rw-r--r-- 1 jdublnx jdublnx 3771 4ζ 21 14:04 .bashrc
-rw-rw-rw- 1 jdublnx jdublnx 1929 4ζ 22 11:15 Install_CentOS_in_VM.md
-rw-r--r-- 1 jdublnx jdublnx 807 4ζ 21 14:04 .profile
-rw------- 1 jdublnx jdublnx 378 4ζ 22 09:47 .bash_history
-rw-r--r-- 1 jdublnx jdublnx 220 4ζ 21 14:04 .bash_logout
-rw-r----- 1 jdublnx jdublnx 5 4ζ 22 09:12 .vboxclient-clipboard.pid
-rw-r----- 1 jdublnx jdublnx 5 4ζ 22 09:12 .vboxclient-display-svga-x11.pid
-rw-r----- 1 jdublnx jdublnx 5 4ζ 22 09:12 .vboxclient-draganddrop.pid
-rw-r----- 1 jdublnx jdublnx 5 4ζ 22 09:12 .vboxclient-seamless.pid
-rw-r--r-- 1 jdublnx jdublnx 0 4ζ 21 14:17 .sudo_as_admin_successful
jdublnx@JDUBUNTO:~/Documents$ cat file1.txt file2.txt
total 100
drwxr-xr-x 16 jdublnx jdublnx 4096 4ζ 22 11:15 .
drwxr-xr-x 3 root root 4096 4ζ 21 14:04 ..
drwxr-xr-x 13 jdublnx jdublnx 4096 4ζ 21 16:11 .cache
drwx------ 11 jdublnx jdublnx 4096 4ζ 21 14:25 .config
drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 22 09:25 Desktop
drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 22 11:25 Documents
drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 21 14:13 Downloads
drwx------ 3 jdublnx jdublnx 4096 4ζ 21 14:14 .gnupg
drwxr-xr-x 3 jdublnx jdublnx 4096 4ζ 21 14:13 .local
drwx------ 4 jdublnx jdublnx 4096 4ζ 21 14:19 .mozilla
drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 21 14:13 Music
drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 21 14:13 Pictures
drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 21 14:13 Public
drwx------ 2 jdublnx jdublnx 4096 4ζ 21 14:14 .ssh
drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 21 14:13 Templates
drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 21 14:13 Videos
-rw-r--r-- 1 jdublnx jdublnx 3771 4ζ 21 14:04 .bashrc
-rw-rw-rw- 1 jdublnx jdublnx 1929 4ζ 22 11:15 Install_CentOS_in_VM.md
-rw-r--r-- 1 jdublnx jdublnx 807 4ζ 21 14:04 .profile
-rw------- 1 jdublnx jdublnx 378 4ζ 22 09:47 .bash_history
-rw-r--r-- 1 jdublnx jdublnx 220 4ζ 21 14:04 .bash_logout
-rw-r----- 1 jdublnx jdublnx 5 4ζ 22 09:12 .vboxclient-clipboard.pid
-rw-r----- 1 jdublnx jdublnx 5 4ζ 22 09:12 .vboxclient-display-svga-x11.pid
-rw-r----- 1 jdublnx jdublnx 5 4ζ 22 09:12 .vboxclient-draganddrop.pid
-rw-r----- 1 jdublnx jdublnx 5 4ζ 22 09:12 .vboxclient-seamless.pid
-rw-r--r-- 1 jdublnx jdublnx 0 4ζ 21 14:17 .sudo_as_admin_successful
hi my name is jd
welcome to linux world
jdublnx@JDUBUNTO:~/Documents$ cat file1.txt >> file2.txt
jdublnx@JDUBUNTO:~/Documents$ cat file2.txt
hi my name is jd
welcome to linux world
total 100
drwxr-xr-x 16 jdublnx jdublnx 4096 4ζ 22 11:15 .
drwxr-xr-x 3 root root 4096 4ζ 21 14:04 ..
drwxr-xr-x 13 jdublnx jdublnx 4096 4ζ 21 16:11 .cache
drwx------ 11 jdublnx jdublnx 4096 4ζ 21 14:25 .config
drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 22 09:25 Desktop
drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 22 11:25 Documents
drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 21 14:13 Downloads
drwx------ 3 jdublnx jdublnx 4096 4ζ 21 14:14 .gnupg
drwxr-xr-x 3 jdublnx jdublnx 4096 4ζ 21 14:13 .local
drwx------ 4 jdublnx jdublnx 4096 4ζ 21 14:19 .mozilla
drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 21 14:13 Music
drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 21 14:13 Pictures
drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 21 14:13 Public
drwx------ 2 jdublnx jdublnx 4096 4ζ 21 14:14 .ssh
drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 21 14:13 Templates
drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 21 14:13 Videos
-rw-r--r-- 1 jdublnx jdublnx 3771 4ζ 21 14:04 .bashrc
-rw-rw-rw- 1 jdublnx jdublnx 1929 4ζ 22 11:15 Install_CentOS_in_VM.md
-rw-r--r-- 1 jdublnx jdublnx 807 4ζ 21 14:04 .profile
-rw------- 1 jdublnx jdublnx 378 4ζ 22 09:47 .bash_history
-rw-r--r-- 1 jdublnx jdublnx 220 4ζ 21 14:04 .bash_logout
-rw-r----- 1 jdublnx jdublnx 5 4ζ 22 09:12 .vboxclient-clipboard.pid
-rw-r----- 1 jdublnx jdublnx 5 4ζ 22 09:12 .vboxclient-display-svga-x11.pid
-rw-r----- 1 jdublnx jdublnx 5 4ζ 22 09:12 .vboxclient-draganddrop.pid
-rw-r----- 1 jdublnx jdublnx 5 4ζ 22 09:12 .vboxclient-seamless.pid
-rw-r--r-- 1 jdublnx jdublnx 0 4ζ 21 14:17 .sudo_as_admin_successful
jdublnx@JDUBUNTO:~/Documents$ ^C
- Cat Command use 2
jdublnx@JDUBUNTO:~/Documents$ cat -n file2.txt
1 hi my name is jd
2 welcome to linux world
3 total 100
4 drwxr-xr-x 16 jdublnx jdublnx 4096 4ζ 22 11:15 .
5 drwxr-xr-x 3 root root 4096 4ζ 21 14:04 ..
6 drwxr-xr-x 13 jdublnx jdublnx 4096 4ζ 21 16:11 .cache
7 drwx------ 11 jdublnx jdublnx 4096 4ζ 21 14:25 .config
8 drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 22 09:25 Desktop
9 drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 22 11:25 Documents
10 drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 21 14:13 Downloads
11 drwx------ 3 jdublnx jdublnx 4096 4ζ 21 14:14 .gnupg
12 drwxr-xr-x 3 jdublnx jdublnx 4096 4ζ 21 14:13 .local
13 drwx------ 4 jdublnx jdublnx 4096 4ζ 21 14:19 .mozilla
14 drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 21 14:13 Music
15 drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 21 14:13 Pictures
16 drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 21 14:13 Public
17 drwx------ 2 jdublnx jdublnx 4096 4ζ 21 14:14 .ssh
18 drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 21 14:13 Templates
19 drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 21 14:13 Videos
20 -rw-r--r-- 1 jdublnx jdublnx 3771 4ζ 21 14:04 .bashrc
21 -rw-rw-rw- 1 jdublnx jdublnx 1929 4ζ 22 11:15 Install_CentOS_in_VM.md
22 -rw-r--r-- 1 jdublnx jdublnx 807 4ζ 21 14:04 .profile
23 -rw------- 1 jdublnx jdublnx 378 4ζ 22 09:47 .bash_history
24 -rw-r--r-- 1 jdublnx jdublnx 220 4ζ 21 14:04 .bash_logout
25 -rw-r----- 1 jdublnx jdublnx 5 4ζ 22 09:12 .vboxclient-clipboard.pid
26 -rw-r----- 1 jdublnx jdublnx 5 4ζ 22 09:12 .vboxclient-display-svga-x11.pid
27 -rw-r----- 1 jdublnx jdublnx 5 4ζ 22 09:12 .vboxclient-draganddrop.pid
28 -rw-r----- 1 jdublnx jdublnx 5 4ζ 22 09:12 .vboxclient-seamless.pid
29 -rw-r--r-- 1 jdublnx jdublnx 0 4ζ 21 14:17 .sudo_as_admin_successful
jdublnx@JDUBUNTO:~/Documents$ cat -b file2.txt
1 hi my name is jd
2 welcome to linux world
3 total 100
4 drwxr-xr-x 16 jdublnx jdublnx 4096 4ζ 22 11:15 .
5 drwxr-xr-x 3 root root 4096 4ζ 21 14:04 ..
6 drwxr-xr-x 13 jdublnx jdublnx 4096 4ζ 21 16:11 .cache
7 drwx------ 11 jdublnx jdublnx 4096 4ζ 21 14:25 .config
8 drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 22 09:25 Desktop
9 drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 22 11:25 Documents
10 drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 21 14:13 Downloads
11 drwx------ 3 jdublnx jdublnx 4096 4ζ 21 14:14 .gnupg
12 drwxr-xr-x 3 jdublnx jdublnx 4096 4ζ 21 14:13 .local
13 drwx------ 4 jdublnx jdublnx 4096 4ζ 21 14:19 .mozilla
14 drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 21 14:13 Music
15 drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 21 14:13 Pictures
16 drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 21 14:13 Public
17 drwx------ 2 jdublnx jdublnx 4096 4ζ 21 14:14 .ssh
18 drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 21 14:13 Templates
19 drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 21 14:13 Videos
20 -rw-r--r-- 1 jdublnx jdublnx 3771 4ζ 21 14:04 .bashrc
21 -rw-rw-rw- 1 jdublnx jdublnx 1929 4ζ 22 11:15 Install_CentOS_in_VM.md
22 -rw-r--r-- 1 jdublnx jdublnx 807 4ζ 21 14:04 .profile
23 -rw------- 1 jdublnx jdublnx 378 4ζ 22 09:47 .bash_history
24 -rw-r--r-- 1 jdublnx jdublnx 220 4ζ 21 14:04 .bash_logout
25 -rw-r----- 1 jdublnx jdublnx 5 4ζ 22 09:12 .vboxclient-clipboard.pid
26 -rw-r----- 1 jdublnx jdublnx 5 4ζ 22 09:12 .vboxclient-display-svga-x11.pid
27 -rw-r----- 1 jdublnx jdublnx 5 4ζ 22 09:12 .vboxclient-draganddrop.pid
28 -rw-r----- 1 jdublnx jdublnx 5 4ζ 22 09:12 .vboxclient-seamless.pid
29 -rw-r--r-- 1 jdublnx jdublnx 0 4ζ 21 14:17 .sudo_as_admin_successful
jdublnx@JDUBUNTO:~/Documents$ vi file2.txt
jdublnx@JDUBUNTO:~/Documents$
- Grep Command Usage
jdublnx@JDUBUNTO:~/Documents$ cat Automobiles.txt
Car
Mortorbikes
Train
Maruti
Ferrari
Lamborgini
Yamaha
Aprillia
Tata Motor
Honda
Suzuki
BMW
Audi
Volkswagen
jdublnx@JDUBUNTO:~/Documents$ grep am Automobiles.txt
Lamborgini
Yamaha
jdublnx@JDUBUNTO:~/Documents$ grep -i am Automobiles.txt
Lamborgini
Yamaha
jdublnx@JDUBUNTO:~/Documents$ grep -i am Automobiles.txt
Lamborgini
Yamaha
Amber
jdublnx@JDUBUNTO:~/Documents$ grep am Automobiles.txt
Lamborgini
Yamaha
jdublnx@JDUBUNTO:~/Documents$ grep -i am Automobiles.txt
Lamborgini
Yamaha
Amber
jdublnx@JDUBUNTO:~/Documents$ grep -n am Automobiles.txt
6:Lamborgini
7:Yamaha
jdublnx@JDUBUNTO:~/Documents$ grep -v am Automobiles.txt
Car
Mortorbikes
Train
Maruti
Ferrari
Aprillia
Tata Motor
Honda
Suzuki
BMW
Audi
Volkswagen
Amber
jdublnx@JDUBUNTO:~/Documents$ grep -iv am Automobiles.txt
Car
Mortorbikes
Train
Maruti
Ferrari
Aprillia
Tata Motor
Honda
Suzuki
BMW
Audi
Volkswagen
jdublnx@JDUBUNTO:~/Documents$ grep -c am Automobiles.txt
2
jdublnx@JDUBUNTO:~/Documents$ grep -ic am Automobiles.txt
3
jdublnx@JDUBUNTO:~/Documents$
jdublnx@JDUBUNTO:~/Documents$ cat Automobiles.txt Car Mortorbikes Train Maruti Ferrari Lamborgini Yamaha Aprillia Tata Motor Honda Suzuki BMW Audi Volkswagen Amber jdublnx@JDUBUNTO:~/Documents$ sort Automobiles.txt Amber Aprillia Audi BMW Car Ferrari Honda Lamborgini Maruti Mortorbikes Suzuki Tata Motor Train Volkswagen Yamaha jdublnx@JDUBUNTO:~/Documents$ sort Automobiles.txt file2.txt Amber Aprillia Audi BMW Car drwx------ 11 jdublnx jdublnx 4096 4ζ 21 14:25 .config drwx------ 2 jdublnx jdublnx 4096 4ζ 21 14:14 .ssh drwx------ 3 jdublnx jdublnx 4096 4ζ 21 14:14 .gnupg drwx------ 4 jdublnx jdublnx 4096 4ζ 21 14:19 .mozilla drwxr-xr-x 13 jdublnx jdublnx 4096 4ζ 21 16:11 .cache drwxr-xr-x 16 jdublnx jdublnx 4096 4ζ 22 11:15 . drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 21 14:13 Downloads drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 21 14:13 Music drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 21 14:13 Pictures drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 21 14:13 Public drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 21 14:13 Templates drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 21 14:13 Videos drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 22 09:25 Desktop drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 22 11:25 Documents drwxr-xr-x 3 jdublnx jdublnx 4096 4ζ 21 14:13 .local drwxr-xr-x 3 root root 4096 4ζ 21 14:04 .. Ferrari Hi my name is jd Honda Lamborgini Maruti Mortorbikes -rw------- 1 jdublnx jdublnx 378 4ζ 22 09:47 .bash_history -rw-r----- 1 jdublnx jdublnx 5 4ζ 22 09:12 .vboxclient-clipboard.pid -rw-r----- 1 jdublnx jdublnx 5 4ζ 22 09:12 .vboxclient-display-svga-x11.pid -rw-r----- 1 jdublnx jdublnx 5 4ζ 22 09:12 .vboxclient-draganddrop.pid -rw-r----- 1 jdublnx jdublnx 5 4ζ 22 09:12 .vboxclient-seamless.pid -rw-r--r-- 1 jdublnx jdublnx 0 4ζ 21 14:17 .sudo_as_admin_successful -rw-r--r-- 1 jdublnx jdublnx 220 4ζ 21 14:04 .bash_logout -rw-r--r-- 1 jdublnx jdublnx 3771 4ζ 21 14:04 .bashrc -rw-r--r-- 1 jdublnx jdublnx 807 4ζ 21 14:04 .profile -rw-rw-rw- 1 jdublnx jdublnx 1929 4ζ 22 11:15 Install_CentOS_in_VM.md Suzuki Tata Motor Total 100 Train Volkswagen welcome to linux world Yamaha jdublnx@JDUBUNTO:~/Documents$ sort -r Automobiles.txt Yamaha Volkswagen Train Tata Motor Suzuki Mortorbikes Maruti Lamborgini Honda Ferrari Car BMW Audi Aprillia Amber jdublnx@JDUBUNTO:~/Documents$ sort -f Automobiles.txt Amber Aprillia Audi BMW Car Ferrari Honda Lamborgini Maruti Mortorbikes Suzuki Tata Motor Train Volkswagen Yamaha jdublnx@JDUBUNTO:~/Documents$ sort -n Automobiles.txt Amber Aprillia Audi BMW Car Ferrari Honda Lamborgini Maruti Mortorbikes Suzuki Tata Motor Train Volkswagen Yamaha jdublnx@JDUBUNTO:~/Documents$ sort -n Automobiles.txt
jdublnx@JDUBUNTO:~/Documents$ grep am Automobiles.txt | sort Lamborgini Yamaha jdublnx@JDUBUNTO:~/Documents$ grep am Automobiles.txt | sort -r Yamaha Lamborgini jdublnx@JDUBUNTO:~/Documents$
jdublnx@JDUBUNTO:~/Documents$ ls Automobiles.txt file1.txt file2.txt jdublnx@JDUBUNTO:~/Documents$ cp Automobiles.txt /home/jdublnx/Desktop/ jdublnx@JDUBUNTO:~/Documents$ cd jdublnx@JDUBUNTO:~$ ls Desktop Documents Downloads file1.txt Install_CentOS_in_VM.md Music Pictures Public Templates Videos jdublnx@JDUBUNTO:~$ cd Desktop/ jdublnx@JDUBUNTO:~/Desktop$ ls Automobiles.txt LMS README.md jdublnx@JDUBUNTO:~/Desktop$ cp LMS /home/jdublnx/Documents/ cp: -r not specified; omitting directory 'LMS' jdublnx@JDUBUNTO:~/Desktop$ cp -R LMS /home/jdublnx/Documents/ jdublnx@JDUBUNTO:~/Desktop$ cp -Rv LMS /home/jdublnx/Documents/ 'LMS' -> '/home/jdublnx/Documents/LMS' jdublnx@JDUBUNTO:~/Desktop$ cd .. jdublnx@JDUBUNTO:~$ cd Documents/ jdublnx@JDUBUNTO:~/Documents$ cp Automobiles.txt /home/jdublnx/Desktop/ jdublnx@JDUBUNTO:~/Documents$ cp -i Automobiles.txt /home/jdublnx/Desktop/ cp: overwrite '/home/jdublnx/Desktop/Automobiles.txt'? y jdublnx@JDUBUNTO:~/Documents$ cp -i Automobiles.txt /home/jdublnx/Desktop/ cp: overwrite '/home/jdublnx/Desktop/Automobiles.txt'? n jdublnx@JDUBUNTO:~/Documents$ cp -n Automobiles.txt /home/jdublnx/Desktop/ jdublnx@JDUBUNTO:~/Documents$
jdublnx@JDUBUNTO:~$ ls Desktop Documents Downloads file1.txt Install_CentOS_in_VM.md Music Pictures Public Templates Videos jdublnx@JDUBUNTO:~$ cd Desktop/ jdublnx@JDUBUNTO:~/Desktop$ ls Automobiles.txt LMS README.md jdublnx@JDUBUNTO:~/Desktop$ mv README.md LMS/ jdublnx@JDUBUNTO:~/Desktop$ ls Automobiles.txt LMS jdublnx@JDUBUNTO:~/Desktop$ cd LMS/ jdublnx@JDUBUNTO:~/Desktop/LMS$ ls README.md jdublnx@JDUBUNTO:~/Desktop/LMS$
jdublnx@JDUBUNTO:~$ ls Desktop Documents Downloads file1.txt Install_CentOS_in_VM.md Music Pictures Public Templates Videos jdublnx@JDUBUNTO:~$ cd Music/ jdublnx@JDUBUNTO:~/Music$ ls jdublnx@JDUBUNTO:~/Music$ cd .. jdublnx@JDUBUNTO:~$ cd Documents/ jdublnx@JDUBUNTO:~/Documents$ ls Automobiles.txt file1.txt file2.txt LMS jdublnx@JDUBUNTO:~/Documents$ cp *.txt /home/jdublnx/Music/ jdublnx@JDUBUNTO:~/Documents$ cd .. jdublnx@JDUBUNTO:~$ cd Music/ jdublnx@JDUBUNTO:~/Music$ ls Automobiles.txt file1.txt file2.txt jdublnx@JDUBUNTO:~/Music$ mv *.txt /home/jdublnx/Pictures/ jdublnx@JDUBUNTO:~/Music$ ls jdublnx@JDUBUNTO:~/Music$ cd .. jdublnx@JDUBUNTO:~$ cd Pictures/ jdublnx@JDUBUNTO:~/Pictures$ ls Automobiles.txt file1.txt file2.txt jdublnx@JDUBUNTO:~/Pictures$ ^C jdublnx@JDUBUNTO:~/Pictures$
jdublnx@JDUBUNTO:~/Documents$ ls
Automobiles.txt file1.txt file2.txt LMS
jdublnx@JDUBUNTO:~/Documents$ mkdir Folder1
jdublnx@JDUBUNTO:~/Documents$ ls
Automobiles.txt file1.txt file2.txt Folder1 LMS
jdublnx@JDUBUNTO:~/Documents$ cd Folder1/
jdublnx@JDUBUNTO:~/Documents/Folder1$ ls
jdublnx@JDUBUNTO:~/Documents/Folder1$ mkdir Folder2/Folder3/Folder4
mkdir: cannot create directory βFolder2/Folder3/Folder4β: No such file or directory
jdublnx@JDUBUNTO:~/Documents/Folder1$ mkdir -p Folder2/Folder3/Folder4
jdublnx@JDUBUNTO:~/Documents/Folder1$ mkdir {Folder2,Folder3,Folder4}
mkdir: cannot create directory βFolder2β: File exists
jdublnx@JDUBUNTO:~/Documents/Folder1$ mkdir -p f2{Folder2,Folder3,Folder4}
jdublnx@JDUBUNTO:~/Documents/Folder1$ ls
f2Folder2 f2Folder3 f2Folder4 Folder2 Folder3 Folder4
jdublnx@JDUBUNTO:~/Documents/Folder1$ ls
Folder2 Folder3 Folder4
jdublnx@JDUBUNTO:~/Documents/Folder1$ mkdir -p f2/{Folder2,Folder3,Folder4}
jdublnx@JDUBUNTO:~/Documents/Folder1$ ls
f2 Folder2 Folder3 Folder4
jdublnx@JDUBUNTO:~/Documents/Folder1$
jdublnx@JDUBUNTO:~/Documents/Folder1/Folder2/Folder3$ ls Folder4 jdublnx@JDUBUNTO:~/Documents/Folder1/Folder2/Folder3$ rm Folder4/ rm: cannot remove 'Folder4/': Is a directory jdublnx@JDUBUNTO:~/Documents/Folder1/Folder2/Folder3$ rmdir Folder4/ jdublnx@JDUBUNTO:~/Documents/Folder1/Folder2/Folder3$ ls jdublnx@JDUBUNTO:~/Documents/Folder1/Folder2/Folder3$ cd .. jdublnx@JDUBUNTO:~/Documents/Folder1/Folder2$ ls Folder3 jdublnx@JDUBUNTO:~/Documents/Folder1/Folder2$ cd .. jdublnx@JDUBUNTO:~/Documents/Folder1$ ls f2 Folder2 Folder3 Folder4 jdublnx@JDUBUNTO:~/Documents/Folder1$ rm Folder2/ rm: cannot remove 'Folder2/': Is a directory jdublnx@JDUBUNTO:~/Documents/Folder1$ rmdir Folder2/ rmdir: failed to remove 'Folder2/': Directory not empty jdublnx@JDUBUNTO:~/Documents/Folder1$ rmdir -p Folder2/Folder3/ jdublnx@JDUBUNTO:~/Documents/Folder1$ ls f2 Folder3 Folder4 jdublnx@JDUBUNTO:~/Documents/Folder1$ cd f2/ jdublnx@JDUBUNTO:~/Documents/Folder1/f2$ ls Folder2 Folder3 Folder4 jdublnx@JDUBUNTO:~/Documents/Folder1/f2$ cd .. jdublnx@JDUBUNTO:~/Documents/Folder1$ ls f2 Folder3 Folder4 jdublnx@JDUBUNTO:~/Documents/Folder1$ rm -r f2/ jdublnx@JDUBUNTO:~/Documents/Folder1$ ls Folder3 Folder4 jdublnx@JDUBUNTO:~/Documents/Folder1$
drwxr-xr-x 3 jdublnx jdublnx 4096 4ζ 23 15:19 Desktop drwxr-xr-x 4 jdublnx jdublnx 4096 4ζ 23 15:35 Documents drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 21 14:13 Downloads -rw-rw-r-- 1 jdublnx jdublnx 1691 4ζ 22 13:24 file1.txt -rw-rw-rw- 1 jdublnx jdublnx 1929 4ζ 22 11:15 Install_CentOS_in_VM.md drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 23 15:30 Music drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 23 15:30 Pictures drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 21 14:13 Public drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 21 14:13 Templates drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 21 14:13 Videos
jdublnx@JDUBUNTO:~$ ls Desktop Documents Downloads file1.txt Install_CentOS_in_VM.md Music Pictures Public Templates Videos jdublnx@JDUBUNTO:~$ ls -l total 40 drwxr-xr-x 3 jdublnx jdublnx 4096 4ζ 23 15:19 Desktop drwxr-xr-x 4 jdublnx jdublnx 4096 4ζ 23 15:35 Documents drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 21 14:13 Downloads -rw-rw-r-- 1 jdublnx jdublnx 1691 4ζ 22 13:24 file1.txt -rw-rw-rw- 1 jdublnx jdublnx 1929 4ζ 22 11:15 Install_CentOS_in_VM.md drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 23 15:30 Music drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 23 15:30 Pictures drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 21 14:13 Public drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 21 14:13 Templates drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 21 14:13 Videos jdublnx@JDUBUNTO:~$ chmod g=rw,o-x Pictures/ jdublnx@JDUBUNTO:~$ ls -l total 40 drwxr-xr-x 3 jdublnx jdublnx 4096 4ζ 23 15:19 Desktop drwxr-xr-x 4 jdublnx jdublnx 4096 4ζ 23 15:35 Documents drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 21 14:13 Downloads -rw-rw-r-- 1 jdublnx jdublnx 1691 4ζ 22 13:24 file1.txt -rw-rw-rw- 1 jdublnx jdublnx 1929 4ζ 22 11:15 Install_CentOS_in_VM.md drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 23 15:30 Music drwxrw-r-- 2 jdublnx jdublnx 4096 4ζ 23 15:30 Pictures drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 21 14:13 Public drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 21 14:13 Templates drwxr-xr-x 2 jdublnx jdublnx 4096 4ζ 21 14:13 Videos jdublnx@JDUBUNTO:~$
jdublnx@JDUBUNTO:~$ sudo apt-get install openjdk-8-jdk [sudo] password for jdublnx:
jdublnx@JDUBUNTO:~$ java -version openjdk version "1.8.0_312" OpenJDK Runtime Environment (build 1.8.0_312-8u312-b07-0ubuntu1~20.04-b07) OpenJDK 64-Bit Server VM (build 25.312-b07, mixed mode) jdublnx@JDUBUNTO:~$
- Java Home path set
jdublnx@JDUBUNTO:~$ echo $JAVA_HOME
jdublnx@JDUBUNTO:~$ export JAVA_HOME=/usr/lib
lib/ lib32/ lib64/ libexec/ libx32/
jdublnx@JDUBUNTO:~$ export JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64/
jdublnx@JDUBUNTO:~$ echo $JAVA_HOME
/usr/lib/jvm/java-8-openjdk-amd64/
jdublnx@JDUBUNTO:~$ export PATH=$PATH:$JAVA_HOME/bin
jdublnx@JDUBUNTO:~$ echo $PATH
/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin:/usr/lib/jvm/java-8-openjdk-amd64//bin
jdublnx@JDUBUNTO:~$ java -version
openjdk version "1.8.0_312"
OpenJDK Runtime Environment (build 1.8.0_312-8u312-b07-0ubuntu1~20.04-b07)
OpenJDK 64-Bit Server VM (build 25.312-b07, mixed mode)
jdublnx@JDUBUNTO:~$ cd Documents/ jdublnx@JDUBUNTO:~/Documents$ ls Automobiles.txt file1.txt file2.txt Folder1 LMS jdublnx@JDUBUNTO:~/Documents$ ls -l total 20 -rw-rw-r-- 1 jdublnx jdublnx 114 4ζ 23 15:24 Automobiles.txt -rw-rw-r-- 1 jdublnx jdublnx 1631 4ζ 23 15:24 file1.txt -rw-rw-r-- 1 jdublnx jdublnx 1671 4ζ 23 15:24 file2.txt drwxrwxr-x 4 jdublnx jdublnx 4096 4ζ 23 15:52 Folder1 drwxrwxr-x 2 jdublnx jdublnx 4096 4ζ 22 17:15 LMS jdublnx@JDUBUNTO:~/Documents$ tar -cvf lms.tar LMS LMS/ LMS/file2.txt jdublnx@JDUBUNTO:~/Documents$ ls Automobiles.txt file1.txt file2.txt Folder1 LMS lms.tar jdublnx@JDUBUNTO:~/Documents$ ls -l total 32 -rw-rw-r-- 1 jdublnx jdublnx 114 4ζ 23 15:24 Automobiles.txt -rw-rw-r-- 1 jdublnx jdublnx 1631 4ζ 23 15:24 file1.txt -rw-rw-r-- 1 jdublnx jdublnx 1671 4ζ 23 15:24 file2.txt drwxrwxr-x 4 jdublnx jdublnx 4096 4ζ 23 15:52 Folder1 drwxrwxr-x 2 jdublnx jdublnx 4096 4ζ 23 20:30 LMS -rw-rw-r-- 1 jdublnx jdublnx 10240 4ζ 23 20:31 lms.tar jdublnx@JDUBUNTO:~/Documents$ tar -xvf lms.tar LMS/ LMS/file2.txt jdublnx@JDUBUNTO:~/Documents$ ls -l total 32 -rw-rw-r-- 1 jdublnx jdublnx 114 4ζ 23 15:24 Automobiles.txt -rw-rw-r-- 1 jdublnx jdublnx 1631 4ζ 23 15:24 file1.txt -rw-rw-r-- 1 jdublnx jdublnx 1671 4ζ 23 15:24 file2.txt drwxrwxr-x 4 jdublnx jdublnx 4096 4ζ 23 15:52 Folder1 drwxrwxr-x 2 jdublnx jdublnx 4096 4ζ 23 20:30 LMS -rw-rw-r-- 1 jdublnx jdublnx 10240 4ζ 23 20:31 lms.tar jdublnx@JDUBUNTO:~/Documents$
jdublnx@JDUBUNTO:~$ printenv SHELL=/bin/bash SESSION_MANAGER=local/JDUBUNTO:@/tmp/.ICE-unix/1658,unix/JDUBUNTO:/tmp/.ICE-unix/1658 QT_ACCESSIBILITY=1 COLORTERM=truecolor XDG_CONFIG_DIRS=/etc/xdg/xdg-ubuntu:/etc/xdg XDG_MENU_PREFIX=gnome- GNOME_DESKTOP_SESSION_ID=this-is-deprecated LC_ADDRESS=ja_JP.UTF-8 JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64/ GNOME_SHELL_SESSION_MODE=ubuntu LC_NAME=ja_JP.UTF-8 SSH_AUTH_SOCK=/run/user/1000/keyring/ssh XMODIFIERS=@im=ibus DESKTOP_SESSION=ubuntu LC_MONETARY=ja_JP.UTF-8 SSH_AGENT_PID=1619 GTK_MODULES=gail:atk-bridge PWD=/home/jdublnx LOGNAME=jdublnx XDG_SESSION_DESKTOP=ubuntu XDG_SESSION_TYPE=x11 GPG_AGENT_INFO=/run/user/1000/gnupg/S.gpg-agent:0:1 XAUTHORITY=/run/user/1000/gdm/Xauthority GJS_DEBUG_TOPICS=JS ERROR;JS LOG WINDOWPATH=2 HOME=/home/jdublnx USERNAME=jdublnx IM_CONFIG_PHASE=1 LC_PAPER=ja_JP.UTF-8 LANG=en_US.UTF-8 LS_COLORS=rs=0:di=01;34:ln=01;36:mh=00:pi=40;33:so=01;35:do=01;35:bd=40;33;01:cd=40;33;01:or=40;31;01:mi=00:su=37;41:sg=30;43:ca=30;41:tw=30;42:ow=34;42:st=37;44:ex=01;32:*.tar=01;31:*.tgz=01;31:*.arc=01;31:*.arj=01;31:*.taz=01;31:*.lha=01;31:*.lz4=01;31:*.lzh=01;31:*.lzma=01;31:*.tlz=01;31:*.txz=01;31:*.tzo=01;31:*.t7z=01;31:*.zip=01;31:*.z=01;31:*.dz=01;31:*.gz=01;31:*.lrz=01;31:*.lz=01;31:*.lzo=01;31:*.xz=01;31:*.zst=01;31:*.tzst=01;31:*.bz2=01;31:*.bz=01;31:*.tbz=01;31:*.tbz2=01;31:*.tz=01;31:*.deb=01;31:*.rpm=01;31:*.jar=01;31:*.war=01;31:*.ear=01;31:*.sar=01;31:*.rar=01;31:*.alz=01;31:*.ace=01;31:*.zoo=01;31:*.cpio=01;31:*.7z=01;31:*.rz=01;31:*.cab=01;31:*.wim=01;31:*.swm=01;31:*.dwm=01;31:*.esd=01;31:*.jpg=01;35:*.jpeg=01;35:*.mjpg=01;35:*.mjpeg=01;35:*.gif=01;35:*.bmp=01;35:*.pbm=01;35:*.pgm=01;35:*.ppm=01;35:*.tga=01;35:*.xbm=01;35:*.xpm=01;35:*.tif=01;35:*.tiff=01;35:*.png=01;35:*.svg=01;35:*.svgz=01;35:*.mng=01;35:*.pcx=01;35:*.mov=01;35:*.mpg=01;35:*.mpeg=01;35:*.m2v=01;35:*.mkv=01;35:*.webm=01;35:*.ogm=01;35:*.mp4=01;35:*.m4v=01;35:*.mp4v=01;35:*.vob=01;35:*.qt=01;35:*.nuv=01;35:*.wmv=01;35:*.asf=01;35:*.rm=01;35:*.rmvb=01;35:*.flc=01;35:*.avi=01;35:*.fli=01;35:*.flv=01;35:*.gl=01;35:*.dl=01;35:*.xcf=01;35:*.xwd=01;35:*.yuv=01;35:*.cgm=01;35:*.emf=01;35:*.ogv=01;35:*.ogx=01;35:*.aac=00;36:*.au=00;36:*.flac=00;36:*.m4a=00;36:*.mid=00;36:*.midi=00;36:*.mka=00;36:*.mp3=00;36:*.mpc=00;36:*.ogg=00;36:*.ra=00;36:*.wav=00;36:*.oga=00;36:*.opus=00;36:*.spx=00;36:*.xspf=00;36: XDG_CURRENT_DESKTOP=ubuntu:GNOME VTE_VERSION=6003 GNOME_TERMINAL_SCREEN=/org/gnome/Terminal/screen/210f6476_a5a8_4d1e_8fd3_80eff4e79207 INVOCATION_ID=8bf3d0befd10446badd8c06c4705985d MANAGERPID=1411 GJS_DEBUG_OUTPUT=stderr LESSCLOSE=/usr/bin/lesspipe %s %s XDG_SESSION_CLASS=user TERM=xterm-256color LC_IDENTIFICATION=ja_JP.UTF-8 LESSOPEN=| /usr/bin/lesspipe %s USER=jdublnx GNOME_TERMINAL_SERVICE=:1.97 DISPLAY=:0 SHLVL=1 LC_TELEPHONE=ja_JP.UTF-8 QT_IM_MODULE=ibus LC_MEASUREMENT=ja_JP.UTF-8 XDG_RUNTIME_DIR=/run/user/1000 LC_TIME=ja_JP.UTF-8 JOURNAL_STREAM=8:36597 XDG_DATA_DIRS=/usr/share/ubuntu:/usr/local/share/:/usr/share/:/var/lib/snapd/desktop PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin:/usr/lib/jvm/java-8-openjdk-amd64//bin GDMSESSION=ubuntu DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/1000/bus LC_NUMERIC=ja_JP.UTF-8 OLDPWD=/home/jdublnx/Documents _=/usr/bin/printenv jdublnx@JDUBUNTO:~$ echo $HOME /home/jdublnx jdublnx@JDUBUNTO:~$ echo $PATH /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin:/usr/lib/jvm/java-8-openjdk-amd64//bin jdublnx@JDUBUNTO:~$ echo $HOSTNAME JDUBUNTO jdublnx@JDUBUNTO:~$ echo $HOSTNAME JDUBUNTO jdublnx@JDUBUNTO:~$ echo $USERNAME jdublnx jdublnx@JDUBUNTO:~$ echo $LANG en_US.UTF-8 jdublnx@JDUBUNTO:~$ echo $BASH_VERSION 5.0.17(1)-release jdublnx@JDUBUNTO:~$
jdublnx@JDUBUNTO:~$ cd Documents/
jdublnx@JDUBUNTO:~/Documents$ ls
Automobiles.txt file1.txt file2.txt Folder1 LMS lms.tar
jdublnx@JDUBUNTO:~/Documents$ cat Automobiles.txt
Car
Mortorbikes
Train
Maruti
Ferrari
Lamborgini
Yamaha
Aprillia
Tata Motor
Honda
Suzuki
BMW
Audi
Volkswagen
Amber
jdublnx@JDUBUNTO:~/Documents$ cat Automobiles.txt | grep a
Car
Train
Maruti
Ferrari
Lamborgini
Yamaha
Aprillia
Tata Motor
Honda
Volkswagen
jdublnx@JDUBUNTO:~/Documents$ cat Automobiles.txt | grep ^a
jdublnx@JDUBUNTO:~/Documents$ cat Automobiles.txt | grep -i ^a
Aprillia
Audi
Amber
jdublnx@JDUBUNTO:~/Documents$ cat Automobiles.txt | grep -i $a
Usage: grep [OPTION]... PATTERNS [FILE]...
Try 'grep --help' for more information.
jdublnx@JDUBUNTO:~/Documents$ cat Automobiles.txt | grep -i '$a'
jdublnx@JDUBUNTO:~/Documents$ cat Automobiles.txt | grep -n 'a*'
1:Car
2:Mortorbikes
3:Train
4:Maruti
5:Ferrari
6:Lamborgini
7:Yamaha
8:Aprillia
9:Tata Motor
10:Honda
11:Suzuki
12:BMW
13:Audi
14:Volkswagen
15:Amber
jdublnx@JDUBUNTO:~/Documents$ echo {a..z}
a b c d e f g h i j k l m n o p q r s t u v w x y z
jdublnx@JDUBUNTO:~/Documents$
dublnx@JDUBUNTO:~$ ls --help Usage: ls [OPTION]... [FILE]... List information about the FILEs (the current directory by default). Sort entries alphabetically if none of -cftuvSUX nor --sort is specified.Mandatory arguments to long options are mandatory for short options too. -a, --all do not ignore entries starting with . -A, --almost-all do not list implied . and .. --author with -l, print the author of each file -b, --escape print C-style escapes for nongraphic characters --block-size=SIZE with -l, scale sizes by SIZE when printing them; e.g., '--block-size=M'; see SIZE format below -B, --ignore-backups do not list implied entries ending with ~ -c with -lt: sort by, and show, ctime (time of last modification of file status information); with -l: show ctime and sort by name; otherwise: sort by ctime, newest first -C list entries by columns --color[=WHEN] colorize the output; WHEN can be 'always' (default if omitted), 'auto', or 'never'; more info below -d, --directory list directories themselves, not their contents -D, --dired generate output designed for Emacs' dired mode -f do not sort, enable -aU, disable -ls --color -F, --classify append indicator (one of /=>@|) to entries --file-type likewise, except do not append '' --format=WORD across -x, commas -m, horizontal -x, long -l, single-column -1, verbose -l, vertical -C --full-time like -l --time-style=full-iso -g like -l, but do not list owner
- https://docs.microsoft.com/en-us/windows/wsl/install
- Turorial : https://docs.microsoft.com/en-us/windows/wsl/setup/environment
jdwinlinux@DESKTOP-AS2FQOH:~/jddocs$ cd /mnt/c/
jdwinlinux@DESKTOP-AS2FQOH:/mnt/c$ ls
ls: cannot access 'DumpStack.log.tmp': Permission denied
ls: cannot access 'hiberfil.sys': Permission denied
ls: cannot access 'pagefile.sys': Permission denied
ls: cannot access 'swapfile.sys': Permission denied
'$Recycle.Bin' DumpStack.log.tmp PerfLogs Users pagefile.sys
'$WinREAgent' Gradle 'Program Files' Windows selenium
AVScanner.ini JD_Google_Drive 'Program Files (x86)' app swapfile.sys
C_Drive Kompose ProgramData gh xampp
D_Drive OD Recovery hiberfil.sys
'Documents and Settings' OneDriveTemp 'System Volume Information' kubectl
jdwinlinux@DESKTOP-AS2FQOH:/mnt/c$ cd D_Drive/
jdwinlinux@DESKTOP-AS2FQOH:/mnt/c/D_Drive$ ls
DXC Job_Switch Kirti Personal jdk-11.0.10_windows-x64_bin.exe react
jdwinlinux@DESKTOP-AS2FQOH:/mnt/c/D_Drive$used comman from linux terminal " explorer.exe .
Winfows file system : \\wsl$\Ubuntu\home\jdwinlinux