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Shell Scripting Tutorial for Beginners 2 - using Variables and Comments - Learn Online

In Linux (Shell), there are two types of variable:
(1) System variables - Created and maintained by Linux itself. This type of variable defined in CAPITAL LETTERS.
(2) User defined variables (UDV) - Created and maintained by user. This type of variable defined in lower letters.

Shell variables
- var refers to the name, $var to the value
- t = 100 #Sets var t to value 100
- echo ”$t = $t” #will print: $t = 100
- Remove a variable with unset var
- Names begin with alpha characters and include alpha, numeric, or underscore


11 comments

  1. great video , whats the name of the font used ?

    ReplyDelete
  2. i beg you sir please i am crying please tell
    • Enterprise Java Beans Architecture.
    • EJB roles, Types of EJB’s
    • Stateless and State full Session Beans
    • Entity Beans
    • Container Managed Persistence and Bean Managed Persistence
    • Deploying an Enterprise Java Beans Object.

    ReplyDelete
  3. AllIndianEducation [AIE]1 March 2017 at 15:45

    working in linux os

    ReplyDelete
  4. Your name is not Mark, your name is Yogesh. Don't lie now Mr. Patel!!

    ReplyDelete
  5. please keep uploading regularly !! thanks for your efforts.

    ReplyDelete
  6. Technical Rajveer1 March 2017 at 15:45

    hello programming knowldege you are doing good job but if are indian

    ReplyDelete
  7. sir your tutorials helped me a lot ,,, im learning php,,,, why dont you make tutorials on OOPs and MVC concept in PHP,, consider its a request

    ReplyDelete
  8. Technical Rajveer1 March 2017 at 15:45

    so please do the same by screen recording in hindi please please sir

    ReplyDelete
  9. MOHMMED ABD- ALRAZAQ1 March 2017 at 15:45

    can you make more vedios about c++ form application

    ReplyDelete
  10. Habib Toshiro Roussoulle1 March 2017 at 15:45

    I love your videos the always great. I want to know what you studied to know all that you know

    ReplyDelete

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