$ howdoi extract a bz2 file

  -j, --bzip2
            filter the archive through bzip2
  tar -xvjf enginsxt.tar.bz2
  
  Source: https://askubuntu.com/questions/707861/how-to-extract-tar-bz2

$ howdoi -v add a program to cron

  Put a shell script in one of these folders: /etc/cron.daily, /etc/cron.hourly, /etc/cron.monthly or /etc/cron.weekly. 
  
  If these are not enough for you, you can add more specific tasks e.g. twice a month or every 5 minutes. Go to the terminal and type:
  
  crontab -e
  
 ...snip
  
  Source: https://askubuntu.com/questions/2368/how-do-i-set-up-a-cron-job

$ howdoi -n 2 attach to a screen

 screen
 screen -S myprogramrunningunderscreen
 screen -ls

There are screens on:
    4964.myprogramrunningunderscreen    (05/31/2013 09:42:29 PM)    (Detached)
    4874.pts-1.creeper  (05/31/2013 09:39:12 PM)    (Detached)

Source: https://askubuntu.com/questions/302662/reattaching-to-an-existing-screen-session

  screen -d -r

Source: https://askubuntu.com/questions/302662/reattaching-to-an-existing-screen-session

$ howdoi js hex to int
  hexString = yourNumber.toString(16);
  yourNumber = parseInt(hexString, 16);
  
  Source: https://stackoverflow.com/questions/57803/how-to-convert-decimal-to-hexadecimal-in-javascript

$ mkdir -p ~/bin && wget https://raw.githubusercontent.com/san-kumar/howdoi/master/howdoi -O ~/bin/howdoi && chmod +x ~/bin/howdoi
$ sudo ln -s ~/bin/howdoi /usr/local/bin/howdoi

$ howdoi check my linux version