Linux works with two variable types. They are LOCAL & ENVIRONMENT. # Local Variables: name=Indika # this will create a variable named 'name' with a value of 'Indika ...

shell-variables-tutorial/ ├── README.md ├── LICENSE ├── docs/ │ ├── introduction.md │ ├── basic-concepts.md │ ├── advanced-topics.md │ └── troubleshooting.md ├── examples/ │ ├── basic ...

This post follows up on Part 1 by examining the many ways that you can test the value of variables – e.g., whether they equal particular strings like “yes” or “no”, if they have a numeric value, if ...

There I was, trying to come up with a topic for this column, when I did what I usually do when stumped: I sent a question out to my Twitter followers. This time, I got a great answer, from John ...

Variables often look like $var, but they also look like $1, $*, $? and $$. Let's take a look at what all these $ values can tell you. A lot of important values are ...

If you're working in a Linux environment, chances are you've encountered environment variables—even if you didn’t realize it at the time. They quietly power much of what goes on behind the scenes in ...

This comprehensive guide explains what PATH is, how the PATH environment variable works in Linux, how to inspect it, change it (both temporarily and permanently). It also covers the steps to ...