In this final installment of our series, we will look at perhaps the most significant area of change in bash version 4.x: arrays.

Now that we have covered some of the minor improvements found in bash 4.x, we will begin looking at the more significant new features focusing on changes in the way bash 4.x handles expansions.

So what's new in bash? A bunch of things, though most of them tend to be rather small. In this series we will look at features that, I feel, are of the most use to ordinary shell users starting with a couple of the small ones.

Everybody's seen redirection in bash commands, that's pretty common, but bash also allows you to define redirections when you define functions. This causes the redirections to be evaluated/executed whenever the function is called. This feature doesn't really give you any new features, just another way to express existing features.

Here we go, bash scripting is nothing more then combining lots of UNIX commands
to do things for you, you can even make simple games in bash
(just UNIX commands) or as in normal cases, batch files to control things
in your computer.

Scripts are files that contain shell commands which may be short or can be very complex. Scripts just make it easier because you can invoke one command to run all of the commands in the script. Here instead of using 8 separate commands you can use one command to execute all of them.

This article is a continuation to my other Bash-related post, 6 Bash Productivity Tips. Since that article gathered many useful comments and I bumped into several more over the net, here are 5 more tips and tricks. Although these may not be necessarily productivity-related, they will surely ease working in a Bash terminal and it may be worth knowing them.

Bash's possible network security risk no longer comes standard

The Bash shell is the default shell environment in most Linux distributions, including all flavours of Debian. One default feature of the Bash shell is to record a history of all the commands entered by a user in a log file called .bash_history, found in the user's home directory.