Unix MCQ Questions
Unix MCQs : This section focuses on "Basics" of unix. These Multiple Choice Questions (MCQ) should be practiced to improve the unix skills required for various interviews (campus interview, walk-in interview, company interview), placements, entrance exams and other competitive examinations.
1. What was the Initial release date of UNIX?
A. 3rd November 1971
B. 3rd November 1972
C. 3rd November 1973
D. 3rd November 1974
View Answer
Ans : A
Explanation: Development started in 1969. First manual published internally in November 1971, Announced outside Bell Labs in October 1973.
2. Unix is written in which langauge?
A. C
B. C++
C. Java
D. Objective C
View Answer
Ans : A
Explanation: Written in: C, Assembly language.
3. Unix, development starting in the 1970s at which Labs?
A. AT labs
B. Bell labs
C. Unix labs
D. Fortive labs
View Answer
Ans : B
Explanation: Unix, development starting in the 1970s at the Bell Labs research center by Ken Thompson, Dennis Ritchie, and others.
4. Users communicate with the kernel through a program known as the____________.
A. Kernel
B. operating system
C. shell
D. Unix
View Answer
Ans : C
Explanation: Users communicate with the kernel through a program known as the shell.
5. Which of the following is not a variants of Unix?
A. Solaris Unix
B. AIX
C. BSD
D. SOL
View Answer
Ans : D
Explanation: SOL is not unix variants available in the market.
6. Unix provide multitasking and multiuser environment?
A. TRUE
B. FALSE
C. Unix provide multitasking but not multiuser
D. Unix provide multiuser but not multitasking
View Answer
Ans : A
Explanation: Unix provide multitasking and multiuser environment
7. init 6 command is used for?
A. Powers off the system
B. Reboots the system by shutting it down completely and then restarting it
C. Brings the system down immediately
D. clean up the system prior to shutting down
View Answer
Ans : B
Explanation: init 6 : Reboots the system by shutting it down completely and then restarting it
8. Which of the following is known as heart of the unix operating system?
A. Shell
B. Kernel
C. Commands
D. Files
View Answer
Ans : B
Explanation: Kernel : The kernel is the heart of the operating system.
9. Which of thefollowing is not a type of shell?
A. C Shell
B. Bourne Shell
C. Korn Shell
D. Perl Shell
View Answer
Ans : D
Explanation: Perl Shell is not a type of shell.
10. Which command is used to check calendar?
A. cal
B. calendar
C. check-calendar
D. calen-dar
View Answer
Ans : A
Explanation: To check calendar, you need to type the cal command.
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