shell note01：some shell combinations

some shell combinations

CTRL + L    : Clear the screen

CTRL + W  : Delete the word starting at cursor
CTRL + U   : Clear the line i.e. Delete the all words from command line
Tab : Auto-complete files, directory, command names and much more
CTRL + R : Search through previously used commands (see command history)
CTRL +  C : Cancel currently running commands
CTRL +  T : Swap the last two characters before the cursor
ESC   +  T : Swap the last two words before the cursor
Up and Down arrow keys : Recall commands (see command history)