Skip to main content

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

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

Post a Comment

Popular posts from this blog

C++ Programming Tutorial - How to Install Code::Blocks in Ubuntu Linux - Learn Online

Installing Code::Blocks How do I Install Code::Blocks HOWTO: Installing Code::Blocks 10.05 How do you install Irrlicht on Code::Blocks? How do you install CodeBlock on ubuntu? codeblocks /bin/sh: g++: not found Installing codeblocks on ubuntu Installing Code::Blocks on Ubuntu 10.04?

Google Fight Against Low Quality and Spammy Content

  Google's ongoing battle against spammy and low-quality content in search results is an essential aspect of maintaining the platform's credibility and usefulness. Here are some of the new strategies and policies Google is implementing to combat these issues: Improved Quality Ranking : Google is enhancing its core ranking algorithms to prioritize high-quality and original content while reducing the visibility of unoriginal or spammy content in search results. New Spam Policies : Google is updating its spam policies to address emerging tactics used by spammers. This includes targeting practices such as expired websites repurposed as spam repositories, obituary spam, and other manipulative behaviors. Reducing Unoriginal Results : Google is refining its ranking systems to identify and minimize unhelpful, unoriginal content. This includes pages created specifically to match certain search queries and content that prioritizes search engine optimization over user experience. Scaled C

Contextual Design and Development is the Driving Force Behind all Successful Mobile Applications

The time of ordinary custom web application design & development is long gone. Today the focus is on contextual design and development. It is the rise in the popularity of mobile applications that has provided the impetus for giving importance to ‘context’ when it comes to app or web development. Let’s focus our attention on mobile applications and why mobile applications need to be developed keeping the context in mind. Because they are used in diverse locations Let’s face it. We all love mobile apps because they can be used just about anywhere and at any given point of time. Yes, that’s right, they can be used in offices, on a train, in the kitchen, movie theatre and the list just goes on. So, the app needs to be developed in context of the location. Different users have different needs when it comes to a mobile app and these needs, in part, are determined by their location. For e.g. if a developer thinks a particular app that is in the process of being developed will onl