Command Types

• Try the following commands:

1type -a ls
2which ls

• The bash type builtin shell command can show you what is the type of the parameter you give it. The -a parameter asks for ALL available types.
• Linux has several command types(e.g ‘alias’, ‘function’, ‘builtin’, ‘file’, ‘keyword’)
• We'll focus on:
  • file …

Opening a terminal

• Use the start button at the bottom left to show pre-installed applications.
• Then run the Terminal application

  <img
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    alt="Terminal" …</picture></figure></li></ul>
  

  
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Infrastructure

I use this infrastructure throughout my training material.
I run multiple versions, and cannot "get rid of" my Windows (I don't hate Windows that much :) so using virtualization was a practical solution.

• first, install VirtualBox from this location.
  (I am currently using is 7.0.12 r159484) …

What is Linux

• Linux is an operating system.
  It is the main big program that operates the computer - hence the name.
• Linux is UNIX like operating system.
  The UNIX project (back in the 70s) was meant to create a simpler, but in the same time more powerfull example of an operating systems.
  You can read more about …