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

Unix Interview Questions

Questions Answers Views Company eMail

Explain what is inode?

966

How do we change file access permissions?

1135

Explain how do we change file access permissions?

948

Explain how do you create special files like named pipes and device files?

947

How would you identify daemons in unix?

991

How to give execute permission for a file in unix?

1016

What is Process id in unix?

1011

What is Thread dump in unix?

1003

How to null a file in unix?

1172

How to find a file in unix?

978

What happens when we execute a unix command?

1147

How to write the program on full-duplex communication on bidirectional(e.g using two pipes)?

1016

Please describe the initial process sequence while the system boots up?

1030

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

963

Max relax-able permission value with out giving write permission to others?

1014

Un-Answered Questions { Unix }

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

1012

Is mac built on unix?

897

What is awk command used for?

1242

How to give execute permission for a file in unix?

1016

Define a single-user system.

954

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

1348

Is unix only for supercomputers?

883

Is used to create ordinary files on any unix system?

962

Differentiate multiuser from multitask.

1019

What is fork()?

1037

What methodology can be utilized to modify the password in unix?

916

What are the essential features of the unix operating system?

938

Explain what is critical section?

972

What is the use of finger command?

1219

What is in grep command?

1172

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