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 difference between NFS 3 and NFS 4? What are new features added in NFS4?

ComNet,

3 21004

If JFS file system is 100% full how we can increase the file system ?

3 8044

What is shrinking file system in AIX where it actually resides?

2438

when we installing aix os the ssh installed default?

2 5473

Where LOG fiels resides in AIX and pls tel me how to remove the log file

Vestas,

6 10989

How to write the program on full-duplex communication using 2 FIFOs

5248

What will be the result if we run the command #find /tmp - mtime -2 and #find /tmp -mtime +2

Steria,

6 13098

How can I protect my process from others to kill

Infotech,

3 10730

write grep commands to select the lines that have exactly two characters

PSI Data Systems,

8 25170

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

Wipro,

6 11120

How to check the flavor of UNIX?

HCL, Syntel,

8 26711

use of ls command

9 15098

29. How to display top 10 users Who | head -10 | wc –w

TCS,

4 11774

1-how will you display a file whose name is starting with '- '? 2-how will you add a patten at end of every line in vi editor?

7 10978

in a growing log file how will you see the 1st 99 lines?

7 11681

Un-Answered Questions { Unix }

Where is unix used?

966

What is updatedb?

1056

How would you identify daemons in unix?

991

Differentiate cmp command from diff command.

1176

What do chgrp command do?

1222

What are directories in unix?

927

What is unix language?

914

What is sed awk grep?

1139

What are the common directory management commands in unix?

1110

What does 'mkdir' command do in UNIX?

1314

List some of the frequent shells used in unix along with their indicators?

912

Differentiate relative path from an absolute path?

911

What do you mean by unix operating system?

907

Explain how to work unix commands on windows xp without installing unix o/s in pc?

972

Is ios based on unix?

946

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