2 Write a shell script to check whether a file exists 3 Write a shell script to perform arithmetic operations 4 Write a shell script to find largest of three numbers 5 Write a shell script to check ...

XShell is a lightweight, kernel-level Linux shell application designed to interact directly with the operating system’s kernel, bypassing traditional shells like Bash. It features a GUI built using ...

For Linux users, the command line is a celebrated part of our entire experience. Unlike other popular operating systems, where the command line is a scary proposition for all but the most experienced ...

Ever wondered why programming in Bash is so difficult? Bash employs the same constructs as traditional programming languages; however, under the hood, the logic is rather different. The Bourne-Again ...

One of the most powerful features of Unix and Linux is that using traditional command line tools, everything is a stream of bytes. Granted, modern software has blurred this a bit, but at the command ...

Who know it would be so easy to create programs from the command line?

This article is reprinted from the book A Practical Guide to Linux Commands, Editors, and Shell Programming 3rd edition, with permission of the author and publisher ...