ls

cat

mv

cp

A string that starts with "a" and ends with "b"

A string that starts with "a", followed by any character, and ends with "b"

Any string containing "a.b"

A string that starts with "ab"

Removes all spaces from /etc/passwd.

Selects columns 1-10 of each line in the /etc/passwd file.

Extracts the first field of each line in the /etc/passwd file.

Cuts the first 10 characters of each line.

To open a new terminal session

To switch between multiple users

To create a backup of system files

To execute commands with elevated privileges

A symbolic link can only point to files on the same partition

A symbolic link remains functional if the original file is removed

A hard link remains usable even if the original file is deleted

A hard link can only link to directories, while a symbolic link can link to files

It displays the directories with write permissions

It lists only the files with permissions for the current user

It filters and lists only the directories

It shows only hidden files in the current directory

^[Hh]ello$

^hello$

^[Hello]

^[h]ello$

Files with any two letters between "Li" and "le".

Files with two lowercase letters between "Li" and "le".

Files starting with "Li" and ending with "le".

Files with any number of characters between "Li" and "le".

It removes the /root directory

It deletes the contents of the home directory

It removes the /var directory only

It deletes all files and directories from the root directory without confirmation

Copies the directory "Documents" to "MyStuff"

Moves the file "Documents" to "MyStuff"

Moves the directory "Documents" to "MyStuff" with a detailed output

Deletes the directory "Documents"