Unix operating system OVERVIEW

1.Overview ::----

The unix operating system designed to let a number of programmers access the computer at the same time and share its resources.
The operating controls all of the commands from all of the keyboards and all of the data being generated ,and permit each user to belicve he or she is the only person working on the computer.
Although UNIX was developed by programmers for programmers ,it provides and environment so powerful and flexible that it is found in business,science,academia,and industry.

2.Uniqueness of Unix:---

The features that made UNIX a hit start are ::-

• Multitasking capability
• Multi-user capability
• Portability
• UNIX programs
• Library if application software

Multitasking ::

Many computer do one thing at a time,as anyone who uses a PC or laptop can attest.try logging onto our company's network while opening the browser while opening a word processing program.chances are the processor will freeze for a few seconds while it sorts out the multiple instructions.

Multi-user::

The same design that permits multitasking permits users to use the computer.the computer can take the commands of a number of users -- determined by the design of the computer -- to run programs,access files,and print documents at the same time.

Portability::

A major contribution of the UNIX system was its portability ,permitting it to move from one brand of one computer to another with a minimum of code changes. At a time when different computer lines of the same vendor didn't talk to each other -- Yet alone machines of multiple vendors that meant a great savings in both hardware and software upgrades Click here to continue ...