Tuesday, September 16, 2008

Bash shortcuts

Bash is a default shell on most of the Linux operating system, you should be aware of all the keyboard to avoid typo mistakes.

Following is the list of shortcuts which will save your precious time;
#) Using Ctrl combination :

ctrl+a : jump to begning of line you are typing on ;

ctrl+b : moving back a character ;

ctrl+c : terminate the command;

ctrl+d:delete character at cursor;

ctrl+D : exit the current shell;

ctrl+h : delete character before cursor ;

ctrl+e : jump to end of line you are typing on ;

ctrl+f : move forward by one character ;

ctrl+l : clear the screen :

ctrl+K : clear the line after cursor ;

ctrl+H : works as backspace ;

ctrl+t : transpose 2 characters ;

ctrl+xx : move between end-of-line and current cursor position ;

ctrl+r : search the history backwords ;

ctrl+w : erase word before cursor ;

ctrl+x@ : shows possible hostname completions;

ctrl+y : recover previous deleation ;

ctrl+z : suspend/stop the command which is running ;

#) UsingAlt combination :

Alt + > - Move to the last line in the history ;

Alt + ? - Show current completion list ;

Alt + * - Insert all possible completions ;

Alt + / - Attempt to complete filename ;

Alt + . - Yank last argument to previous command ;

Alt + b - Move backward ;

Alt + c - Capitalize the word ;

Alt + d - Delete word ;

Alt + f - Move word forward ;

Alt + l - Make word lowercase ;

Alt + n - Search the history forwards non-incremental ;

Alt + p - Search the history backwards non-incremental ;

Alt + r - Recall command ;

Alt + t - Move words around ;

Alt + u - Make word uppercase ;

Alt + back-space - Delete backward from cursor ;

#) Using Esc combination :

esc+d : delete word ;

esc+f : move forward a word ;

esc+b : mmove backward a word ;

esc+t : transpose two adjacent words ;

#) Using Tab combination :

*)Press tab twice to see all available commands;

*)Press tab twice after a word to view all commands starting with that word ;

*)Pressing ~along with hitting tab 2 times will give you list of all user on system from /etc/passwd;

*)Pressing $along with hitting tab 2 times will show you all sys variables ;

*)Pressing / along with hitting tab 2 times will give you entire directory structure including hidden ;

#) Some extras :

*) To complete a command you can hit the tab key after typing one or more letters of a command.

*) you can use ! along with first few character of previous command to get previous command fired;

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