linux_shorcuts

Use shortcuts and cheat sheets. Learn your shortcuts and studying the many, many cheat sheets made by other programmers before you. 

So I guess you can spend a few seconds to bookmark this link: bash keyboard shortcuts | Bash | SS64.com

Moving the cursor:
  Ctrl + a   Go to the beginning of the line (Home)
  Ctrl + e   Go to the End of the line (End)
  Ctrl + p   Previous command (Up arrow)
  Ctrl + n   Next command (Down arrow)
   Alt + b   Back (left) one word
   Alt + f   Forward (right) one word
  Ctrl + f   Forward one character
  Ctrl + b   Backward one character
  Ctrl + xx  Toggle between the start of line and current cursor position

Editing:
Ctrl + L   Clear the Screen, similar to the clear command
 Ctrl + u   Cut/delete the line.

  Alt + Del Delete the Word before the cursor.
  Alt + d   Delete the Word after the cursor.
 Ctrl + d   Delete character under the cursor
 Ctrl + h   Delete character before the cursor (Backspace)
 Ctrl + w   Cut the Word before the cursor to the clipboard.
 Ctrl + k   Cut the Line after the cursor to the clipboard.
  Alt + t   Swap current word with previous
 Ctrl + t   Swap the last two characters before the cursor (typo).
 Esc  + t   Swap the last two words before the cursor.
 ctrl + y   Paste the last thing to be cut (yank)
  Alt + u   UPPER capitalize every character from the cursor to the end of the current word.
  Alt + l   Lower the case of every character from the cursor to the end of the current word.
  Alt + c   Capitalize the character under the cursor and move to the end of the word.
  Alt + r   Cancel the changes and put back the line as it was in the history (revert).
 ctrl + _   Undo
 
 TAB        Tab completion for file/directory names
For example, to move to a directory 'sample1'; Type cd sam ; then press TAB and ENTER. 
type just enough characters to uniquely identify the directory you wish to open.

History:
  Ctrl + r   Recall the last command including the specified character(s)
             searches the command history as you type.
             Equivalent to : vim ~/.bash_history. 
  Ctrl + p   Previous command in history (i.e. walk back through the command history)
  Ctrl + n   Next command in history (i.e. walk forward through the command history)

  Ctrl + s   Go back to the next most recent command.
             (beware to not execute it from a terminal because this will also launch its XOFF).
  Ctrl + o   Execute the command found via Ctrl+r or Ctrl+s
  Ctrl + g   Escape from history searching mode
        !!   Repeat last command
      !abc   Run last command starting with abc
    !abc:p   Print last command starting with abc
        !$   Last argument of previous command
   ALT + .   Last argument of previous command
        !*   All arguments of previous command
^abc­^­def   Run previous command, replacing abc with def
Process control:
 Ctrl + C   Interrupt/Kill whatever you are running (SIGINT)
 Ctrl + l   Clear the screen
 Ctrl + s   Stop output to the screen (for long running verbose commands)
 Ctrl + q   Allow output to the screen (if previously stopped using command above)
 Ctrl + D   Send an EOF marker, unless disabled by an option, this will close the current shell (EXIT)
 Ctrl + Z   Send the signal SIGTSTP to the current task, which suspends it.
            To return to it later enter fg 'process name' (foreground).