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

Unix Interview Questions

Questions Answers Views Company eMail

What difference between cmp and diff commands?

1260

What is the difference between cat and more command?

1238

Write a command to kill the last background job?

1036

Which command is used to delete all files in the current directory and all its sub-directories?

1217

Write a command to display a file’s contents in various formats?

1164

What will the following command do?

1078

What is the use of the command 'ls -x chapter[1-5]' ?

1166

Is ‘du’ a command? If so, what is its use?

1101

List the system calls used for process management?

1030

explain about the initial process sequence while the system boots up?

984

How would you kill a process?

988

What is the working set of a process?

984

What is the window of the working set of a process?

1020

Explain kernal and shell?

1012

Difference between the fork() and vfork() system call?

964

Un-Answered Questions { Unix }

How to remove the last line/trailer from a file in Unix script?

975

Is unix an operating system?

843

What does pipe () return?

1035

How to find out what processes are running in the background in unix?

921

Which command will print your home directory on screen?

1043

Explain the different kinds of threads?

989

How to print/display the last line of a file in Unix?

997

What is the functionality of a top command?

1061

What are the pros/cons of select(), non-blocking I/O and SIGIO?

1319

How to print/display the first line of a file in Unix?

967

What is the general format of unix command syntax?

1823

How do I find my unix os version?

898

Describe a link in unix.

1462

Explain the term filter.

895

Describe the usage and functionality of the command rm –r * in unix?

1993

For More Un-Answered { Unix } Questions Click Here