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 21002

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

3 8043

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

2436

when we installing aix os the ssh installed default?

2 5471

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

Vestas,

6 10987

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

5247

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

Steria,

6 13095

How can I protect my process from others to kill

Infotech,

3 10726

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

PSI Data Systems,

8 25157

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

Wipro,

6 11118

How to check the flavor of UNIX?

HCL, Syntel,

8 26701

use of ls command

9 15093

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

TCS,

4 11769

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 10972

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

7 11672

Un-Answered Questions { Unix }

What is the difference between nfs 3 and nfs 4?

1074

Explain what is protection boundary?

1049

Describe the term inode?

1108

How to write the program on full-duplex communication on bidirectional?

1038

What are the criteria for choosing a process for swapping out of the memory to the swap device?

1021

What is unix and its features?

1022

How do you change directories in unix?

980

Which command is used to kill the last background job?

1337

Explain what are threads?

1045

What language is unix written?

944

What is the full form of unix?

917

What are data structures that are used for Demand Paging?

1009

What is unix portability?

933

What are the bits that support the demand paging?

984

What is the use of finger command?

1219

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