Question

Which of the following is not true about UNIX?

(a) Many people can use a UNIX based computer at the same time; hence UNIX is called as a multiuser system

(b) A user can run multiple programs at the same time; hence UNIX is called a multitasking environment

(c) UNIX was not written in ‘C’ language

(d) Linux is also known as a version of UNIX

Answer 1

Correct choice is (c) UNIX was not written in ‘C’ language

Easy explanation: One of the most attractive features of UNIX is that it supports multi-user and multitasking environment which makes it so popular among its users. There are many UNIX variants available in the market. Solaris Unix, AIX, HP Unix, BSD are some of the examples. Linux is also a flavor of UNIX which is freely available. Unix was developed in 1969 by AT&T employees Ken Thompson, Dennis Ritchie, Douglas McIlroy, and Joe Ossanna at Bell Labs and was written in ‘C’.