Basic Usage of Linux

Logging into Linux


2 types

1. Virtual Consoles (Text based / Command Line Interface (CLI) )
2. Graphical Consoles (Display Manager / Graphical User Interface (GUI) )


--> There are two ways to enter in linux system as shown above now we can switch in between these two by using

Ctrl + Alt + F7  ==> for GUI

and

Ctrl +Alt + F[1 to 6]  ==> for CLI

More terminals can also be opened using script inittab script

- Normally there are 6 command line consoles and 1 graphical console
- Graphical Console is called X Window System
  - 2 desktop environment are there in Linux OS
        1. GNOME - the default environment named - GNU Network Object Model Environment
        2. KDE - an alternate desktop Environment named - K Desktop Environment (It is windows like environment)

- when we are in CLI mode we can switch into graphical be using Ctrl + Alt + F7 as well as using command startx
- For changing password
  command is passwd
- And we can go from Gnome --Navigate as....follow
   System -> Preferences -> About me -> click Change Password and provide new password giving old one
- command id shows the information of current user else we can find for other user by typing  id username
- root is called  - admin or - administrator or - superuser or - privileged user other are unprivileged or Normal users in Every linux system

--> Login using Login name and password
- Every user is given its home directory and personal storage space in /home/user folder

questions are allowed


--
Krunal Patel

B.E. Electronics
RHCE