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May 2, 2022
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Replace the word Observation with Description #684

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16 changes: 8 additions & 8 deletions docs/books/admin_guide/03-commands.md
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Original file line number Diff line number Diff line change
Expand Up @@ -118,7 +118,7 @@ It is impossible for an administrator at any level to know all the commands and

The command `apropos` allows you to search by keyword within these manual pages:

| Options | Observations |
| Options | Description |
| ------------------------------------------- | ---------------------------------------------------------- |
| `-s`, `--sections list` or `--section list` | Limited to manual sections. |
| `-a` or `--and` | Displays only the item matching all the provided keywords. |
Expand Down Expand Up @@ -942,7 +942,7 @@ The `head` command displays the beginning of a file.
head [-n x] file
```

| Option | Observation |
| Option | Description |
| ----------------------------------------------------------------------------------------------------- | --------------------------------------- |
| `-n x` | Display the first `x` lines of the file |

Expand All @@ -956,7 +956,7 @@ The `tail` command displays the end of a file.
tail [-f] [-n x] file
```

| Option | Observation |
| Option | Description |
| -------- | ----------------------------------------- |
| `-n x` | Displays the last `x` lines of the file |
| `-f` | Displays changes to the file in real time |
Expand Down Expand Up @@ -992,7 +992,7 @@ root:x:0:0:root:/root:/bin/bash
adm:x:3:4:adm:/var/adm/:/sbin/nologin
```

| Option | Observation |
| Option | Description |
| --------- | ------------------------------------------- |
| `-k` | Specify the columns to be separated. You can specify multiple columns |
| `-n` | Requests a numeric sort |
Expand Down Expand Up @@ -1111,7 +1111,7 @@ The `wc` command counts the number of lines, words and/or bytes in a file.
wc [-l] [-m] [-w] file [files]
```

| Option | Observation |
| Option | Description |
| ------ | ------------------------------- |
| `-c` | Count the number of bytes. |
| `-m` | Count the number of characters. |
Expand All @@ -1132,7 +1132,7 @@ Since there are so many options to the `find` command, it is best to refer to th

If the search directory is not specified, the `find` command will search from the current directory.

| Option | Observation |
| Option | Description |
| ------------------- | -------------------------------------- |
| `-perm permissions` | Search for files by their permissions. |
| `-size size` | Search for files by size. |
Expand Down Expand Up @@ -1180,7 +1180,7 @@ $ whereis -b ls
ls: /bin/ls
```

| Option | Observation |
| Option | Description |
| ------ | ------------------------------- |
| `-b` | Search only the binary file. |
| `-m` | Searches only for man pages. |
Expand All @@ -1201,7 +1201,7 @@ $ grep -w "root:" /etc/passwd
root:x:0:0:root:/root:/bin/bash
```

| Option | Observation |
| Option | Description |
| --------------------------------------------------------------------------------------- | --------------------------------------- |
| `-i` | Ignore the case of the searched string. |
| `-v` | Excludes lines containing the string. |
Expand Down