Bash functions, unlike functions in most programming languages do not allow you to return a value to the caller. When a bash function ends its return value is its status: zero for success, non-zero ...

Here are some basic skills to get started with bash, one of the best shells for preparing and using scripts on Linux. Scripting in Linux–putting commands into a file so you can run them as a group—is ...

Whilst we try to avoid references to uninitialised variables in the code, there seem to be at least some cases where bash issues this warning even though the variable in question has been initialised.

Imagine browsing the Web and having to type the full Uniform Resource Identifier (URI) path each time you visit a Web page—painful. However, since 1993, when browser bookmarks were added to the Mosaic ...

If you aren’t a Linux user and you watch someone who knows what they are doing use Bash — the popular command line interpreter — you might get the impression they type much faster than they actually ...

Linux’s compgen command is not actually a Linux command. In other words, it’s not implemented as an executable file, but is instead a bash builtin. That means that it’s part of the bash executable. So ...