Command-Line -.- ?!

::[ Command Line Stuff ]::

[Learn Terminal Commands]

• Reference: http://lifehacker.com/how-can-i-quickly-learn-terminal-commands-1494082178

1. [Comment] Playing with 'whatis'. 
2. Add the following line (command) at the end of your '~/.bashrc' file:
   

   echo "The linux tips, did you know that:"; whatis $(ls /bin | shuf -n 1)
   

3. [Comment] Playing with 'cowsay'. 
4. Install cowsay first.
   

   sudo apt-get install cowsay
   

5. Then add the following line (command) at the end of your '~/.bashrc' file:
   

   alias tip?='cowsay -f $(ls /usr/share/cowsay/cows | shuf -n 1 | cut -d. -f1) $(whatis $(ls /bin) 2>/dev/null | shuf -n 1)'
   

[Cryptography]

• Reference: http://www.commandlinefu.com/commands/view/1792/rot13-using-the-tr-command

1. Utilizing 'alias' and 'tr' commands to achieve ROT13.
   

   alias rot13="tr a-zA-Z n-za-mN-ZA-M"
   

[Resources]

• commandlinefu.com