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 8277

distinguish between physical addresses and logical address?

Infosys,

3 11177

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

Alcatel, Cisco, Infosys, University Exams,

7 33216

what are processor execution levels and priorities?

Infosys,

2 11396

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

Infosys,

3 11121

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

Infosys,

2 9212

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

2 10040

What is pid?

4 10904

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 13072

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

6 12565

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

9 18347

How do you stop a running process?

7 17150

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

4 12164

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

7 11421

What is the use of pipes?

4 9786

Un-Answered Questions { Unix }

What is the difference between an absolute path and a relative path in unix?

1108

what is the time for incident, problem and change management tickets?

2976

Does cp command overwrite files?

1266

Which command is used to delete all files in the current directory and all its sub-directories?

1317

Is unix the first operating system?

981

Suppose I have one column with data smithjohnmichale the o/p should be smith,john, michale how we do in unix?

924

What uses unix?

1005

What is Thread dump in unix?

1056

Can multiple clients connect to same socket?

950

Why is it called a shebang?

1246

Explain the steps that a shell follows while processing a command.

1284

How do I delete files from command prompt?

1281

What does pipe () return?

1127

What is the use of grep and egrep in unix?

995

Which language unix is written?

1082

For More Un-Answered { Unix } Questions Click Here