Ubuntu is the most popular Linux distribution.

Essential Commands To Remember For Linux Users

If you like working on Linux then I’m sure you love terminal. Linux commands & keyboard shortcuts make developers and programmers work efficiently on UNIX.

If you like working on Linux more than anything then I am very much sure you love terminal and keyboard shortcuts. This is one of those advantages any Linux distribution has over Windows for developers. Linux commands on terminal and keyboard shortcuts make developers and programmers work on OS like Ubuntu and Fedora.

Without further delay here I am listing essential Linux commands for users of any UNIX based operating system to remember.

Keyboard Shortcuts

Open Terminal

Yes, first, terminal. To open terminal, press Ctrl + Alt + T on your keyboard and you’ll have your terminal up and running waiting for your commands.

Also, you can install GNOME Extension Drop Down Terminal. With this you can drop down terminal toggled by a keystroke, default being the key above tab i.e. `.

Show Hidden Items

If you want to show hidden files and directories in your Linux e.g. `.themes`, use Ctrl + Shift + H. This shortcut will toggle the hidden or displayed state.

Search System

The best way to search whole system is the **Super** key. Pressing Super key will show the dock and search box where you can type. You can also browse system for all apps.

Hide Window

Use Super + H to hide any Window.


  • Complete Screen: Print or print screen key.
  • Current Window: Alt + Print.
  • Screenshot of Region: Ctrl + Print.

Lock Screen

Instead of going to the user menu to lock the screen, you can simply use Ctrl + Alt + L.

Toggle Zoom

You can use Alt + Super + 8 to toggle zoom. Also,

  • Zoom In: Ctrl + +
  • Zoom Out: Ctrl + -


The terminal commands are the most essential to learn on Linux.

Basic commands

These are few basic commands. While I expect you to be familiar with ’em already, there’s no harm in looking at them again.

  1. ls: This command lists all the directories and files within current directory.
  2. ls -a: While there are many options for `ls` command, this is used most often. `-a` flag includes hidden files and directories in the listing like those starting with a period (.) character.
  3. mkdir hello: Create a directory named ‘hello’.
  4. cd hello: Enter directory named ‘hello’ which is present in current directory.
  5. cd ..: Go one directory up.
  6. cd: Go to home directory.

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