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Linux Basics

Linux Basics

Hi,

This presentation contains some basic linux commands. I have put screenshots to make it easily understand.

Please send me your comments to Ankit Mehta [email protected] , it will help me to improve future presentations.

Thanks,
Ankit
[email protected]

[email protected]

April 07, 2013
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  1.  Linux is freely available operating system. You can download

    any of the distribution from CentOS, Fedora and if you have very low end system you can go with DSL (Damn Small Linux)  At the beginning level I would suggest you to start installing and using Linux on virtual machine, once you are comfortable with operating system you can move to install it as primary or secondary operating system. [email protected] LINUX INSTALLATION
  2.  Choosing a login name is Linux should follow 

    Login name must be more than two characters long  Login name can contain lowercase and numbers  Login name must start with an lower case alphabet  Login name must not conflict with another existing username [email protected] LOGIN NAME
  3.  Linux password choosing guidelines  Password must have atleast

    6 characters (This can be bypassed but as per the guidelines you must follow it)  Password must contain alphabet, numeric and/or special character.  Password are case sensitive so “Creative” is different than “creative” and “cr3@t1v3”  Some other guidelines  Avoid using easily guessed password like your family name, your library card number your pet name.  Avoid using dictionary words [email protected] PASSWORD
  4.  Following network is used for this training [email protected] CURRENT

    NETWORK Type OS IP Address Host Operating System Windows 7 (Connecting with putty) 192.168.188.1 Guest Operating System Cent OS 6 (X64) 192.168.188.140
  5.  Open putty and enter destination IP address it will

    popup following screen as per your configuration [email protected] CONNECTING TO LINUX
  6.  Once you get previously mentioned screen enter desired username

    to login to Linux (Make sure that user already exist on Linux system) [email protected] ENTER USERNAME
  7.  Once you login to Unix system you will see

    prompt $, $ is the indication that system is waiting for your command [email protected] UNIX PROMPT $
  8.  If you want to know the system date of

    UNIX system you can pass date command [email protected] DATE
  9.  In next presentation I will add some more commands

    and then we will work on shell scripting and more from administration front.  Kindly let me know your reviews and comments so I can improve future presentations.  Write me at : Ankit Mehta [email protected] [email protected] THANK YOU