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

Unix Interview Questions

Questions Answers Views Company eMail

what is the shell for dos,nt operating systems?

1 5402

what is telnet?

6 12630

How to convert a hidden file to normal visible file?

8 31417

Can a process kill itself in UNIX/or in its various versions?

2 9747

what are filters?

6 10205

what is the function of grep command?

4 12533

what does the 'tee' command do?

4 12608

what does the command 'wc' do?

4 10728

How to create hardlinks and softlinks on files?

2 9653

what does the job command do?

4 9577

what is the difference between "cron" command and "at" command?

5 47940

How to remove a crontab file?

2 7741

In Unix file permissions what does the second field denotes?

3 8368

what is the significance of "su" command?

3 10208

which command is used to change group?

5 10609

Un-Answered Questions { Unix }

Explain ‘system calls’ with respect to unix commands?

1158

Why does it take so long to detect that the peer died?

1565

How to reverse a string in Unix?

1082

What are the types of unix?

966

What is a socket set used for?

998

Why is it called grep?

1087

What is the comma to display different lines that are found when compare two files?

1248

What is c shell in unix?

924

Explain about Inodes?

1176

How does unix pipe work?

1015

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

1114

How many sockets can a cpu have?

891

What is unix shell scripting used for?

970

What is disk block allocation in unix?

1023

What is “chmod” command?

1246

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