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 20969

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

3 8020

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

2425

when we installing aix os the ssh installed default?

2 5458

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

Vestas,

6 10974

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

5235

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

Steria,

6 13055

How can I protect my process from others to kill

Infotech,

3 10701

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

PSI Data Systems,

8 25117

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

Wipro,

6 11088

How to check the flavor of UNIX?

HCL, Syntel,

8 26639

use of ls command

9 15034

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

TCS,

4 11740

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 10930

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

7 11632

Un-Answered Questions { Unix }

Which is the shell of unix?

955

How to make a new directory in unix?

1025

What are shell variables?

909

How do I remove 30 days old files in unix?

904

What does ls mean in unix?

866

What is a filter in unix? Give an example.

922

What is the functionality of a top command?

1101

What is ant_build.sh? Have u seen that file?

2310

What do chown command do?

1183

Please describe the initial process sequence while the system boots up?

1014

How do I find a pattern in unix?

936

what is difference between milestone and run-levels in Solaris ?

3086

What is the architecture of unix operating system?

924

What does cd mean in unix?

916

What is the difference between soft link and hard link in Unix operating system ?

1034

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