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 11478

in unix profile contains

BFL,

1 9178

in unix echo is used for

BFL, BirlaSoft, Patni,

10 28419

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 13595

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

IBM,

6 17948

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 15040

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

Mascot,

2 8031

In Unix inter process communication take place using?

TCS,

3 9702

What are the files in /etc directory?

TCS, Wipro,

6 15977

process id for kernell process?

TCS,

4 10201

very first process created by kernell?

TCS,

4 10635

fork()?

TCS,

2 8283

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

Qiscet,

1 3954

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

4 8416

How do you execute a UNIX command in the background?

2 6671

Un-Answered Questions { Unix }

Explain the initial process sequence while the system boots up?

917

What does sed command do in unix?

1129

Please explain fork() system call?

936

What is the condition required for dead lock in unix system?

913

Why do we need socket programming?

819

What is unix environment?

896

Is android unix based?

951

What is the difference between command and utility in unix?

880

What uses unix?

910

How do you determine and set the path in unix?

957

How to null a file in unix?

1103

system choose one for me on the connect() call? Should I bind() a port number in my client program, or let the?

1569

Are sockets files?

828

Is there a way to erase all files in the current directory, including all its sub-directories, using only one command?

1348

Using unix command how to display no of records in oracle?

1121

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