vim

  • Switch to command mode
    • Press ESC
  • Show current working directory 
    :pwd
  • Change working directory 
    :cd <path/to/new/directory>
  • Save file 
    :w <filename>
  • Save file with fullpath 
    :w </full/path/filename>
  • Open existing file 
    vi <file_path>
  • Open Bash file using vim 
    vim ~/.bashrc
  • Check pip version 
    pip -V
  • Save the file without quit 
    :w
  • Save the file and quit 
    :wq

  • Select character: v, or whole line: V

  • Paste before cursor: P, or after cursor: p

  • Open file explorer
    • Click Ctrl-N
  • Shift cursor to file explorer
    • Click Ctrl-W + left arrow key.
  • Shift cursor to code editor
    • Click Ctrl-W + right arrow key.
  • Comment a code block
    • Ctrl-V go to visual mode
    • Select the code block
    • Shift-i
    • Enter a # (for Python).
    • ESC
  • Uncomment code block
    • Ctrl-V go to visual mode
    • Select the commented code block
    • Enter X.
  • Freeze and unfreeze screen output
    • Freeze: Ctrl-S
    • Unfreeze: Ctrl-Q
  • Scroll down to next result under Search mode
    • Press n
  • Copy the entire row and paste to the following row
    • Press yy followed by p.
  • Move cursor (under Control mode)
    • to start of a line: Shift - ^
    • to end of a line: Shift - $
    • to end of a file: Shift - g
  • Add/reduce indent of code block
    • Press V and select the block of code.
    • Press Shift + '>' or '<' to add/reduce indentation.
  • Select the entire row, and paste it behind
    • Press Shift-V to select the current row.
    • Press y to copy and p to paste.
  • Find and replace for the whole file
    • Under control mode: :%s/foo/lish/g
  • Faster way of exixting file and switching back
    • Exit: Ctrl-z
    • Switch back: fg
  • Set number of space to insert when pressing tab key
    • Create a ~/.vimrc file with this line: 
      set ts=4 sw=4
#:set expandtab ts=4 sw=4
  • To paste text to vim editor 
    :set paste