Linux CentOS Common Commands

Halt shut down the machine

Reboot restart

Clear Clear Screen Ctrl+l

Mkair Creating a new directory

RmDir Delete Empty Directory

CP Replication

MV Delete

Touch creates an empty file

LN creates a hard link-s create soft connection

Common View Commands

Cat Display file Content-N displays line number

TAC Display file contents (reverse list)

More paging displays file contents (spaces) or F page (enter) line break Q exit

Cess page displays the contents of the file (can be flipped up) to find the file wrap up: Key N: Page Down

Head displays the first few lines of the file by default 10 rows-N number of rows + number of rows example: Head-n 7/etc/sysconfig/networ-......../...

Tail display file after several rows-n number of lines + number of rows-F dynamic Display file end content

Linux CentOS Common Commands