Linux command line

Bash Commands

• uname -a Show system and kernel
• head -n1 /etc/issue Show distri­bution
• mount Show mounted filesy­stems
• date Show system date
• uptime Show uptime
• whoami Show your username
• man command Show manual for command

Directory Operations

• pwd Show current directory
• mkdir Make directory
• cd Change directory
• cd .. Go up directory
• ls List files

Bash Shortcuts

• CTRL-c Stop current program
• CTRL-z Sleep program
• CTRL-a Go to start of line
• CTRL-e Go to end of line
• CTRL-u Cut from start of line
• CTRL-k Cut to end of line
• CTRL-r Search history
• !! Repeat last command
• !abc Run last command starting with abc
• !abc:p Print last command starting with abc
• !$ Last argument of previous command
• ALT-. Last argument of previous command
• !* All argument of previous command
• ^abc^123 Run previous command replacing abc with 123

ls Options

• -a show all (including hidden)
• -R Recursive list
• -r reverse order
• -t sort by last modified
• -S sort by file size
• -l long listing format
• -1 one file per line
• -m comma separated outpout
• -Q Quoted output