By and large, most Red Hat Linux systems will have Bash as the default shell. Bash is a darn great shell, but this article is about another equally great shell, called Z-Shell, that has most of the attributes of Bash, but in some cases goes the extra mile to give you the flexibility to customize your shell more than Bash allows.

Get an introduction to the Bash shell, which you can use on nearly any UNIX®-based operating system. Bash is a mature, powerful, yet easy-to-use shell that is freely available.

A shell is a program that acts as an intermediary between the user and the Linux kernel. The shell receives commands from the user through typed words and passes them into the kernel for processing. The kernel has the ability to communicate with hardware and gather resources like files and memory. The most common shell is bash.

When using variables, they should be declared in order to be useful in shell scripting. This bash shell tutorial explains the declaration process.

The positions of variables in a Bash Shell script may be used by the script as a reference. These built-in parameters are useful methods for building scripts.

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.

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.

In most Linux systems, your default shell is the bash shell. To find out what your current login shell is, type the following command:

The Bourne Again Shell (bash) is the default shell in almost all Linux distributions. The bash shell has a history feature which can make life easier for any serious Linux user.