History of Unix

The first version of Unix came from AT&T in the early 1970s (Unix is old!).

Unix was developed by programmers and for programmers.

Unix is designed so that users can extend the functionality

To build new tools easily and efficiently

To customize the shell and user interface.

To string together, a series of Unix commands to create new functionality.

To create custom commands that do exactly what we want.

Unix is one of the