Linux Server Management

Learn Linux Commands

Learn Linux Commands.

Commands for manipulating files and directories

• cd Command - change current directory
• ls Command - display file list
• cp Command - copy the file
• mv Command - Rename file
• touch Command - create a new file
• rm Command - delete file
• mkdir Command - create a directory
• rmdir Command - delete directory
• ln Command - Create symbolic link

Command to check the contents of the file

• cat Command - output the contents of the file
• head Command - output the beginning of the file
• tail Command - output the end of the file
• diff Command - check file diffs

File permission Commands

• chmod Command - change permissions
• chown Command - change permissions
• chgrp Command - change owner group

Command to search for files

• find Command - recursive search of directories

Commands for Command line arguments

• xargs Command - Convert standard input line output to Command line arguments and run the program

Command to search / replace text

• grep - Text Search

Archive / compression Command

• tar Command - file archiving and unpacking
• gzip Command - compress files
• gunzip Command - file compression

Command to open a text editor

• vi - Text editor for Command line

Command to check disk capacity

• df Command - check disk capacity
• du Command - check directory capacity

Command to synchronize directories

• rsync Command - sync directory

Environment variables

• env Command - display the value of an environment variable

Network

• dig Command - look up the IP address from the domain d name. DNS server information inquiry.

SSH

• ssh Command - connect to SSH server

C language compilation and linking

• gcc Command - Compile and link C language source code