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

Unix Interview Questions

Questions Answers Views Company eMail

Explain mount and unmount command.

1275

What is the fork() system call?

977

What are the possible return values of kill() system call?

883

Explain the method of changing file access permission?

1001

What are the pros of executing processes in the background?

913

What is the ‘nohup’ in unix?

991

Can you explain what does the kernel do?

965

What is alias mechanism? Explain.

1038

Enlist common shells with their indicators.

1084

Name the key features of the korn shell.

1042

Explain the following statement, “it is not advisable to use root as the default login.”

918

How can you edit a large file without opening it in unix?

940

How would you display the last line of a file?

957

Explain file system in unix.

1024

Differentiate swapping and paging.

932

Un-Answered Questions { Unix }

How do I remove 30 days old files in unix?

945

Explain what is the process id for kernel process?

1037

Does windows 10 have unix?

943

How do you grep a case insensitive?

1110

What does the metacharacter mean?

1186

What is the explanation for protection fault?

1107

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

1246

How to remove the first line/header from a file in Unix?

1099

Which command will print your home directory on screen?

1148

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

1080

Is unix a programming language?

1026

How do you switch from any user type to a super user type?

1002

What are the four components of the unix file system?

961

How to install unix on windows 10?

1067

Explain about the directory representation in UNIX?

1009

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