Changes

*[https://www.quora.com/What-is-the-difference-between-typing-Ctrl+C-and-Ctrl+D-in-the-Linux-terminal <ctrl><d>]

*[http://man7.org/linux/man-pages/man1/passwd.1.html passwd]<br>

*[https://www.ostechnix.com/list-useful-bash-keyboard-shortcuts/ Bash Shell Shortcut Keys]<br>

| style="padding-left:15px;"|General Linux Commands