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 20829

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

3 7899

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

2385

when we installing aix os the ssh installed default?

2 5380

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

Vestas,

6 10754

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

5192

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

Steria,

6 12874

How can I protect my process from others to kill

Infotech,

3 10603

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

PSI Data Systems,

8 24875

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

Wipro,

6 10891

How to check the flavor of UNIX?

HCL, Syntel,

8 26437

use of ls command

9 14754

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

TCS,

4 11595

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 10674

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

7 11407

Un-Answered Questions { Unix }

What is tilde unix?

986

What is the difference between a socket and a port?

837

Describe the responsibilities of shell in brief.

840

What does sed command do in unix?

1129

How to create a blank file in unix?

926

Explain a path in unix.

901

Which language is used in unix?

868

What is .login file in unix?

972

Tell me when should we use thread-safe "_r" library calls?

844

What is af_unix?

813

What do chown command do?

1124

What is the use of cut command in unix?

1303

Where unix is used today?

888

What is pipe in unix example?

918

What is grep|sort give example?

846

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