Linux – getting started


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This presentation contains basic unix commands and its usages. i have put screenshots where ever it is applicable.

Kindly send me your comments to Ankit Mehta


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Linux – getting started

  1. 1. LINUX – GETTING Ankit Mehta ankitmehta21 STARTED
  2. 2. LINUX INSTALLATION 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.
  3. 3. LOGIN NAME 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
  4. 4. PASSWORD 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
  5. 5. CURRENT NETWORK Following network is used for this training Type OS IP Address Host Operating System Windows 7 (Connecting with putty)Guest Operating System Cent OS 6 (X64)
  6. 6. CONNECTING TO LINUX Open putty and enter destination IP address it will popup following screen as per your configuration
  7. 7. ENTER USERNAME Once you get previously mentioned screen enter desired username to login to Linux (Make sure that user already exist on Linux system)
  8. 8. ENTER PASSWORD After entering username enter password belongs to that user
  9. 9. UNIX PROMPT $ Once you login to Unix system you will see prompt $, $ is the indication that system is waiting for your command
  10. 10. DATE If you want to know the system date of UNIX system you can pass date command
  11. 11. CAT To view any text file cat command is used followed by file name
  12. 12. LS –L To view the file and directory listing you can use ls -l command
  13. 13. PASSWD To change the unix system password passwd command is used.
  14. 14. CTRL C To stop execution of any command Ctrl -C can be used
  15. 15. CAL To view the calendar cal command can be used.
  16. 16. WHO Who command can be used to view the list of connected users to Unix system
  17. 17. FINGER Get user activity details using finger command
  18. 18. THANK YOU 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