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UNIX Interview Questions and Answers

by Venkatesan M, on Nov 3, 2017 4:50:16 PM

UNIX Interview Questions and Answers

Q1. What do you mean by UNIX?

Ans: UNIX is efficient multitasking, multiuser functioning computer operating systems An portable operating system analogous to DOS and Windows, supporting multiple concurrent users. Its portability allows it to run on different hardware platforms.

Q2. Which languages are used to write UNIX?

Ans: Unix is Written in C and assembly language

Q3. Who are the developers involved in Creating UNIX?

Ans: Developer involved for Development of UNIX are:
Ken Thompson
Dennis Ritchie
Brian Kernighan
Douglas McIlroy
And Joe Ossanna at Bell Labs

Q4. What do you mean by shell in UNIX?

Ans: Shell in UNIX is: Command-line interpreter, which is used to execute Commands entered by user
Users typically interact with a Unix shell using a terminal emulator
In Unix User Directs the Computer by entering commands by text or by creating one or more text scripts of Commands and allow command line interpreter to execute.

Q5. Which are commonly used Shells in Unix?

Ans: 5 Most Frequently Used Open Source Shells for Linux

  1. Bash Shell
  2. Tcsh/Csh Shell
  3. Ksh Shell
  4. Zsh Shell
  5. Fish

Q6. Is Unix different from Linux?

Ans: Linux is a UNIX Clone written from scratch by Linus Torvalds with assistance from a loosely-knit team of hackers across the Net.It aims towards POSIX The Portable Operating System Interface (POSIX) compliance.

Q7. What is Solaris?

Ans: Solaris is Sun micro systems UNIX.

Q8. Which command you use to change the password?

Ans: Command you use to change the password is“passwd”

Q9. What is the use of Login program?

Ans: Login Program is responsible to bring the login prompt.

Topics:unix interview questions and answersInformation Technologies (IT)



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