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 20801

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

3 7875

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

2376

when we installing aix os the ssh installed default?

2 5367

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

Vestas,

6 10710

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

5186

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

Steria,

6 12844

How can I protect my process from others to kill

Infotech,

3 10581

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

PSI Data Systems,

8 24827

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

Wipro,

6 10852

How to check the flavor of UNIX?

HCL, Syntel,

8 26381

use of ls command

9 14705

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

TCS,

4 11572

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 10620

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

7 11358

Un-Answered Questions { Unix }

Does unix still exist?

982

What are the various schemes available?

893

How can I force a socket to send the data in its buffer?

1560

What is the difference between read() and recv()?

1900

How to find other end of unix socket connection?

840

Am using Mac OS 10.4.11 on an Imac (PPC) Internal hard disk got named disk0s3 and will not mount. What commands can be used in TERMINAL to rename the internal hard disk to C96?

2558

How to perform a system shutdown in unix?

909

How can I tell when a socket is closed on the other end?

1293

How can I write a multi-homed server?

1595

What is the nmap command?

1121

Is it inbetween or in between?

998

Explain about Inodes?

1066

what is the advaantage of each user having its own copy of the shell?

2505

What are links and symbolic links in UNIX file system?

919

Explain system bootup in unix.

903

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