Last month, I explored exit codes and how decent error correction in your shell scripts always should include testing the value of $? after each meaningful command ...

One of the delights in Bash, zsh, or whichever shell tickles your fancy in your OSS distribution of choice, is the ease of which you can use scripts. These can be shell scripts, or use the Perl, ...

Once you’ve gained a solid understanding of Linux and mastered the various commands available, your next big win comes in the form of shell functions. Code wrapped in a function can be reused by your ...