Unix Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Unix Interview Questions

Questions Answers Views Company eMail

fork in unix ?

BFL,

4 11674

in unix profile contains

BFL,

1 9248

in unix echo is used for

BFL, BirlaSoft, Patni,

10 28697

The UNIX shell is.... a).does not come with the rest of the system b).forms the interface between the user and the kernal c) does not give any scope for programming d) deos not allow calling one program from with in another e) all of the above

IBM,

2 13694

The very first process created by the kernal that runs till the kernal process is haltes is

IBM,

6 18110

The command grep first second third /usr/you/myfile a) prints lines containing the words first, second or third from the file /usr/you/myfile b) searches for lines containing the pattern first in the files second, third, and /usr/you/myfile and prints them c) searches the files /usr/you/myfiel and third for lines containing the words first or second and prints them d) replaces the word first with the word second in the files third and /usr/you/myfile e) None of the above

IBM,

4 15180

interprocess command in unix be achieved by a)pipes b)messages c)semaphores d)shared memory e)all

Mascot,

2 8105

In Unix inter process communication take place using?

TCS,

3 9800

What are the files in /etc directory?

TCS, Wipro,

6 16184

process id for kernell process?

TCS,

4 10331

very first process created by kernell?

TCS,

4 10756

fork()?

TCS,

2 8361

what is the name os the first os and tell me the year when it was discovered

Qiscet,

1 4020

How do you list the files in an UNIX directory while also showing hidden files?

4 8564

How do you execute a UNIX command in the background?

2 6780

Un-Answered Questions { Unix }

List the distributions of unix.

950

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

1033

Is grep faster than awk?

1039

how to kernel protected memory?

2363

What is the symbol in unix?

918

What is unix used for?

953

What are the devices represented in unix?

939

What is ps1 and ps2 in unix?

982

What does this command do,"$more readme.txt“?

1155

Is mac a unix system?

855

How to stop an infinite loop in unix?

939

What are the various schemes available in ipc?

965

What is grep family in unix?

922

What is the significance of the 'tee' command?

1195

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

977

For More Un-Answered { Unix } Questions Click Here