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.

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.

The Bash Shell provides the ability to create symbolic names which the shell stores in memory and which can be assigned values so that it can be used repeatedly in a shell script.

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.

Shell is a program, which interprets user commands. The commands are either directly entered by the user or read from a file called the shell script.

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.

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.

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

Learning how to find the errors in your shell scripts is an important skill for successful shell scripting. The debug options in the Bash shell can help with that.