This article is an excerpt from the new 2nd Ed. of Mark Sobell's book, A Practical Guide to Linux Commands, Editors, and Shell Programming, published Nov. 2009 by Prentice Hall Professional, ISBN ...

If you do much Linux shell scripting, you’ve probably encountered sed — the stream editor — in an example. Maybe you’ve even used it yourself. If all you want to do is substitute text, it ...

Everything needed to use the same script with Linux and all varieties of UNIX is present: Linux, Solaris, AIX and HP-UX have one subsection each. The first chapter is a quick tutorial of shell ...

Every time we publish a Linux hack that uses a shell script, someone will chime in about how awful it is to program shell scripts. While we like the ubiquity and efficiency, we can’t disagree… ...

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 ...

Parameter expansion requires a bit of practice, but it can be very useful once you’ve become familiar with its many ...

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 ...

Windows users are spoiled. Linux users can create and run shell scripts too, with a little more effort. Run shell scripts in Linux. If you want to create a script and run it in Ubuntu, a few extra ...