- The Shell is a Command Line Interpreter. It translate commands enter by the user and converts them into a language that is understood by kernel.
- The basic concept of shell script is a list of commands which are listed in the order of execution. A good shell script will hav comments precided by # sign.
| Bourne Shell Types | C Shell Types |
|---|---|
| 1. Bourne Shell | C Shell |
| 2. Korn Shell | TENEX/TOPS C Shell |
| 3. Bourne-Again Shell | Z Shell |
| 4. POSIX Shell |
- At first we have opened two console side by side to see how it works more clearly.






