Aug 4, 2010

Unix operating system

Unix is an operating system developed by AT & T employees at Bell labs. including Thomson, Ritchi etc in 1965. Also C language was developed by Ritchi in later years and C is well suited for UNIX.
main features of UNIX OS
1.multi user: more than one person can work at a time
2.multi tasking: number of works can be done at a time
3.networking facilities
Unix has two main layers those are shell and kernel. shell provides command user interface and that of kernel provides the access to the hardware.

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