Command-Line Tips

Two days ago a read this post in Net.tutplus.com, about the CLI. It's always good to know your way around the CLI in Linux based systems. You never know when you gonna need it next. I liked the tip of using tab to finish commands in the terminal, I didn't know, quite handy.

I would like to add a couple more tips:

• The first one is not a tip but a refrase of one of the tips in the named post. Just to say that the command "~" is the address of your home directory and it can be used to change, copy or anything.
  

  cd ~
  cp ~
  

  And you can also use it like that
  

  cd ~/Documents/somethingelse/etc/

• And another tip a friend told me is you can use ctrl+alt+f1 to access the comand line, you can use from f1 to f6 for the command line, and f7 to go back to GUI
• If you want to kill all the processes:
  

  killall

• Kill an rogue application using it’s name. Instead of hunting around the System Monitor to kill a rogue application, just killall it
  

  killall app_name

• But sometimes is just better to kill what ever is messing with you system, in that case use:
  

  top

  Look for the process in particular and then use:
  

  kill 5689 (the number of the Id of the process)

• If you like using top, install htop is a better version of top.
  

  sudo apt-get install htop

  To start it just type:
  

  htop

• Ever entered a command but left off the ‘sudo’ ? Instead of typing the entire thing again, or back-arrowing to the start, just type the following to run the previous command as root.
  

  sudo !!

• 2 commands I'm always using and I always forget:
  

  tocompress: tar -czf nametarfile.tar.gz namefolder
  toextract: tar xvzf tarfile.tar.gz