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 21020

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

3 8061

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

2446

when we installing aix os the ssh installed default?

2 5491

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

Vestas,

6 11014

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

5256

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

Steria,

6 13116

How can I protect my process from others to kill

Infotech,

3 10743

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

PSI Data Systems,

8 25205

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

Wipro,

6 11145

How to check the flavor of UNIX?

HCL, Syntel,

8 26753

use of ls command

9 15125

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

TCS,

4 11794

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 11002

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

7 11704

Un-Answered Questions { Unix }

How does a socket work?

878

Explain what is standard unix streams ?

991

How to terminate a shell script if statement?

1063

In unix, what is echo used for?

1034

What is the functionality of a top command?

1117

What is source unix?

926

How to check the date in unix?

1033

What is path variable in unix?

1008

Please explain fork() system call?

1003

Does windows 10 have unix?

909

What does ls mean in unix?

880

Why do we need unix shell scripting?

985

Explain Sticky bit?

1002

How would you identify daemons in unix?

999

What unix means?

974

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