Shell scripting is a lot more powerful than many people realize. With the right commands, shell scripting can automate many tasks and even make life easier for the user. Here's why you shouldn't sleep ...

$ ls -ld /bin/bash -rwxr-xr-x. 1 root root 1439288 Nov 9 19:00 /bin/bash The response shows the bash shell executable along with its size and permissions.

It is easy to dismiss bash — the typical Linux shell program — as just a command prompt that allows scripting. Bash, however, is a full-blown programming language. I wouldn’t pres… ...

The most arcane shell commands and options are explained with plenty of examples. “Here” documents, a way to feed input to a script or command within the script itself, are explained thoroughly.

The Ultimate Linux Shell Scripting Guide ($35.99 Value) FREE Download Offered by Packt, view other free resources by Packt . | Expires on April 9 The below offers are also available for free in ...

If you don't love the shell you're using on your Linux system, change it! There are plenty, including bash, fish, ksh, tcsh, zsh. There are quite a few shells on Linux system and more that can be ...

In the final script, of course, you won't echo the entered password, as that's not so good from a privacy and security perspective. To test for length, it's easy to use wc -c, but there's a special ...

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 Prentice Hall, copyright 2012 ...