Korn shell scripting is something all UNIX® users should learn how to use. Shell scripting provides you with the ability to automate many tasks and can save you a great deal of time. It may seem daunting at first, but with the right instruction you can become highly skilled in it. This article will teach you to write your own Korn shells scripts.

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.

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

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.

Many times you might not be sure about which shell you are currently using. Especially if you are not on your system and logging into someone else’s, or maybe ssh’ing into a remote server. Worry not, because here are few simple commands that you can use to find out which shell you are using currently.

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.

"If you spend a lot of time creating new shell scripts, be they plain shell or scripting languages such as perl or python, then it can be very useful to make new scripts be executable by default. Here we'll show two simple recipes for GNU Emacs and vim to do just that..."

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 shell, basic commands and concepts, shell built ins, and directory structures.