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 21144

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

3 8172

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

2481

when we installing aix os the ssh installed default?

2 5563

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

Vestas,

6 11228

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

5288

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

Steria,

6 13256

How can I protect my process from others to kill

Infotech,

3 10837

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

PSI Data Systems,

8 25378

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

Wipro,

6 11313

How to check the flavor of UNIX?

HCL, Syntel,

8 26945

use of ls command

9 15376

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

TCS,

4 11920

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 11187

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

7 11950

Un-Answered Questions { Unix }

What does find command return in unix?

1199

Explain what is the process id for kernel process?

1037

How to stop an infinite loop in unix?

983

I want to invest in learning things that will get me good jobs in future. But wondering if Unix knowledge is something that is a MUST have or is it better to do any Data-warehouse tool (cognos, Qclik view, ETL etc..). Please suggest me.

2391

Which command is used to create a directory?

1221

Is mac unix like?

890

What is .login file in unix?

1048

What is the procedure to configure MC/SG Cluster services in HP-UX 11i v3 OS Environment?

5953

Is used to create ordinary files on any unix system?

999

How to get the n-th field from a Unix command output?

1029

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

1080

What is a directory?

1020

How does unix work?

919

What is rmdir command?

1149

How do I use grep to search for a file?

1098

For More Un-Answered { Unix } Questions Click Here