Bash shortcuts - Maximum Productivity

Bash is my favorite shell, I use Bash every day. Using shortcuts help you to use Bash more efficiently and hence increase your productivity.



Here are some shortcuts:

Movement:

• Ctrl - a: jump to the beginning of the line
• Ctrl - e: jump to the end of the line
• Alt - b: move backward a word
• Alt - f: move forward a word
• Ctrl - f: move forward a character
• Ctrl - b: move backward a character

Editing:

• Ctrl - k: delete the text from the cursor to the end of the line
• Ctrl - u: delete the text backward from the cursor to the beginning of the line
• Ctrl - w: delete the text backward from the cursor to the previous space
• Ctrl - y: paste the kill ring before the cursor
• Ctrl - d: delete the character under the cursor
• Ctrl - h: delete the character before the cursor
• Alt - d: delete from the cursor to the end of the word
• Alt - c: uppercase the current character and move to the end of the word
• Alt - u: uppercase from the cursor to the end of word
• Alt - l: lowercase from the cursor to the end of word
• Alt - t: swap the current word and previous word 
• TABTAB: double TAB, auto complete
• $$: process number of the current process 
• $?: return code of last finished program

Command Recall:

• Ctrl - r: search command history
• Ctrl - g: exit Ctrl + r without history command, ESC exits with history command in the current line
• Ctrl - p: fetch previous command in the history
• Ctrl - n: fetch next command in the history
• !!: refers to the most recent command
• !string: refer to the most recent command starting with string.

Command Control:

• Ctrl - l: Clear the screen, similar to "clear" command, but preserve the argument if there is any. 
• Ctrl - s: Stop screen output
• Ctrl - q: re-enable screen output stopped by Ctrl-s
• Ctrl - c: generate SIGINT signal, usually kills the foreground process
• Ctrl - z: generate SIGSTP signal, usually suspends the foreground process

Reference:

1. bash man page
2. http://www.skorks.com/2009/09/bash-shortcuts-for-maximum-productivity/