What is expr?
4 expr examples
Syntax and Options
Related Commands
What is expr?
expr evaluates the given expression.
What is su?
3 su examples
Syntax and Options
Related Commands
What is su?
su command is used to become another user during login session. By default (without username parameter), its become the superuser.
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What is free?
5 free examples
Syntax and Options
Related Commands
What is free?
Free displays the total amount of used and free space of physical memory and swap memory in the system.
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What is cksum?
2 cksum examples
Syntax and Options
Related Commands
What is cksum?
cksum computes a cyclic redundancy check (CRC) checksum for files and counts the number of bytes of a file.
What is head?
5 head examples
Syntax and Options
Related Commands
What is head?
Head prints the first N number of data of the given input. By default, it prints first 10 lines of each given file.
What is tail?
4 tail examples
Syntax and Options
Related Commands
What is tail?
Tail prints the last N number of lines from given input. By default, it prints last 10 lines of each given file.
What is finger?
2 finger examples
Syntax and Options
Related Commands
What is finger?
finger command is used to lookup information about an user.
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What is touch?
3 touch examples
Syntax and Options
Related Commands
What is touch?
touch command is used to change the timestamp of a file.
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What is whatis?
whatis example
Related Commands
What is whatis?
whatis command displays a single line information about a command.
