Moves cursor to beginning of line of text (on the command-line).
Moves cursor to end of line of text (on the command-line).
erases the character under the cursor.
Moves cursor forward one character position (on the command-line).
BEL. On some old-time teletype terminals, this would actually ring a bell. In an xterm it
Rubout (destructive backspace). Erases characters the cursor backs over while backspacing
it has same effect as Backspace.
Newline (line feed). In a script, may also be expressed in octal notation — ‘\012’ or in
hexadecimal — ‘\x0a’.
delete all characters between the cursor and current line end.
this operation has same effect as command `clear`
this operation has same effect as carriage return.
Issues a newline (on the command-line).
Recalls last command from history buffer (on the command-line).
Backwards search for text in history buffer (on the command-line).
Reverses the position of the character the cursor is on with the previous character (on the
Erase a line of input, from the cursor (not include the cursor) backward to beginning of line. In some settings, Ctl-U
erases the entire line of input, regardless of cursor position.
it has opposite effect to Ctl-K (characters deleted include the cursor.)
When inputting text, Ctl-V permits inserting control characters.
we output string echo and ctrl + V, then click down Enter, it shows echo ^M. one blank line will be there after another enter.
edemon@CentOS workspace]$ echo ^M
When typing text on the console or in an xterm window, Ctl-W erases from the character
under the cursor backwards to the first instance of whitespace.
In certain word processing programs, Cuts highlighted text and copies to clipboard.
Pastes back text previously erased (with Ctl-U or Ctl-W).
ctrl + U deletes all characters from cursor to the beginning of line, and ctrl + Y paste it.
Pauses a foreground job.
Substitute operation in certain word processing applications.
EOF (end-of-file) character in the MSDOS