Unix Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Unix Interview Questions

Questions Answers Views Company eMail

what is virtual machine?

Infosys,

2 8192

distinguish between physical addresses and logical address?

Infosys,

3 11035

distinguish between multi-tasking,multi-user,multi- processing and time sharing?

Alcatel, Cisco, Infosys, University Exams,

7 32980

what are processor execution levels and priorities?

Infosys,

2 11279

what do you understand by 'unix is a portable os'?

Infosys,

3 11013

what do you understand bythe term 'de-mountable volumes'?

Infosys,

2 9139

How do you copy a directory with many files and folders into another directory?

2 9925

What is pid?

4 10748

Suppose 1000 processes are running on the system out of those if you have to show only certain process ids which command will you use?

5 12915

What is the syntax of grep command and what is its use?

6 12353

How do you move a process which is running background to foreground?

9 18113

How do you stop a running process?

7 16917

What is the procedure of "at" and crontab" commands?

4 11999

Which command will you use to change the permissions on file?

7 11204

What is the use of pipes?

4 9628

Un-Answered Questions { Unix }

What is unix and why it is used?

1010

What is i-node numbers?

1160

What is difference between socket () and serversocket () class?

869

What is unix kernel?

936

What does the md command do?

1149

What is the fork() system call?

940

What are the general commands in using unix os for a beginner?

1175

How do you delete a file in unix?

988

What are the events done by the Kernel after a process is being swapped out from the main memory?

2620

Explain links and symbolic links.

964

What is grep in bash?

1068

What are new features added in nfs4?

981

What is $# in unix?

965

What are the links and symbolic links in a unix file system?

927

How to get the last word from a line in Unix file?

959

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