Date:22-2021-10
ALX- school
Shell is an environment in which we can run our commands, programs, and shell scripts.There are different flavors of a shell, just as there are different flavors of operating systems.Each flavor of shell has its own set of recognized commands and functions.
simple_shell is designed to run in the Ubuntu linux environment and to be compiled using the GNU compiler collection v. gcc 4.8.4 with flags -Wall, -Werror, -Wextra, and -pedantic.
- Clone this repository
- Change directories into the repository:
cd simple_shell - Compile using:
gcc -Wall -Werror -Wextra -pedantic *.c -o hsh - Run the shell:
./hsh
1.
$ ./hsh
$ pwd
/home/username/
$ ^D
2.
$ ./hsh
$ ls -l /tmp
-rw------- 1 username username 0 Dec 5 12:09 config-err-aAMZrR
drwx------ 3 root root 4096 Dec 5 12:09 systemd-private-062a0eca7f2a44349733e78cb4abdff4-colord.service-V7DUzr
drwx------ 3 root root 4096 Dec 5 12:09 systemd-private-062a0eca7f2a44349733e78cb4abdff4-rtkit-daemon.service-ANGvoV
drwx------ 3 root root 4096 Dec 5 12:07 systemd-private-062a0eca7f2a44349733e78cb4abdff4-systemd-timesyncd.service-CdXUtH
-rw-rw-r-- 1 username username 0 Dec 5 12:09 unity_support_test.0
$ ^D
$
3.run the program by executing the follwing command
$ ./hsh
$ ls
- access (man 2 access)
- chdir (man 2 chdir)
- close (man 2 close)
- closedir (man 3 closedir)
- execve (man 2 execve)
- exit (man 3 exit)
- fork (man 2 fork)
- free (man 3 free)
- fstat (man 2 fstat)
- getcwd (man 3 getcwd)
- getline (man 3 getline)
- kill (man 2 kill)
- lstat (man 2 lstat)
- malloc (man 3 malloc)
- open (man 2 open)
- opendir (man 3 opendir)
- perror (man 3 perror)
- read (man 2 read)
- readdir (man 3 readdir)
- signal (man 2 signal)
- stat (man 2 stat)
- strtok (man 3 strtok)
- wait (man 2 wait)
- waitpid (man 2 waitpid)
- wait3 (man 2 wait3)
- wait4 (man 2 wait4)
- write (man 2 write)
- _exit (man 2 _exit)
Brian Kiplangat-brianbyank
Joy Wanjiru-Joy879