[置顶] Readline shortcuts

GNU Readline is the library used to make advanced command-line wizardry convenient and conistent across a multitude of command-line applications. These programs include bash, bc, ftp, gnuplot, gpg, ksh, mysql, psql, python, smbclient, xmllint and zsh.

The cheatsheet at the below contains a summary of many of the useful line editing command shortcuts which are available in all applications that use libreadline.See the documentation on the Readline website (http://tiswww.case.edu/php/chet/readline/rltop.html#Documentation)for even more shortcuts with more elaborate descriptions.– [email protected]

	Emacs keys	Action	Scope	Direction/Place
Moving around	Ctrl-b	Move the cursor	one character	⇦ to the left
	Ctrl-f	Move the cursor	one character	⇨ to the right
	Alt-b	Move the cursor	one word	⇦ to the left
	Alt-f	Move the cursor	one word	⇨ to the right
	Ctrl-a	Move the cursor		⇤ to the start of the line
	Ctrl-e	Move the cursor		⇥ to the end of the line
	Ctrl-x-x	Move the cursor		⇤⇥ to the start, and to the end again
Cut, copy and paste	Backspace	Delete	the character	⇦ to the left of the cursor
	DEL Ctrl-d	Delete	the character	underneath the cursor
	Ctrl-u	Delete	everything	⇤ from the cursor back to the line start
	Ctrl-k	Delete	everything	⇥ from the cursor to the end of the line
	Alt-d	Delete	word	⇨ untill before the next word boundary
	Ctrl-w	Delete	word	⇦ untill after the previous word boundary
	Ctrl-y	Yank/Paste	prev. killed text	at the cursor position
	Alt-y	Yank/Paste	prev. prev. killed text	at the cursor position
History	Ctrl-p	Move in history	one line	⇧ before this line
	Ctrl-n	Move in history	one line	⇩ after this line
	Alt->	Move in history	all the lines	⇩ to the line currently being entered
	Ctrl-r	Incrementally search the line history		⇧ backwardly
	Ctrl-s	Incrementally search the line history		⇩ forwardly
	Ctrl-J	End an incremental search
	Ctrl-G	Abort an incremental search and restore the original line
	Alt-Ctrl-y	Yank/Paste	arg. 1 of prev. cmnd	at the cursor position
	Alt-. Alt-_	Yank/Paste	last arg of prev. cmnd	at the cursor position
Undo	Ctrl-_ Ctrl-x Ctrl-u	Undo the last editing command; you can undo all the way back to an empty line
	Alt-r	Undo all changes made to this line
	Ctrl-l	Clear the screen, reprinting the current line at the top
	Ctrl-l	Clear the screen, reprinting the current line at the top
Completion	TAB	Auto-complete a name
	Alt-/	Auto-complete a name (without smart completion)
	Alt-?	List the possible completions of the preceeding text
	Alt-*	Insert all possible completions of the preceeding text
Transpose	Ctrl-t	Transpose/drag	char. before the cursor	↷ over the character at the cursor
	Alt-t	Transpose/drag	word before the cursor	↷ over the word at/after the cursor