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

Unix Interview Questions

Questions Answers Views Company eMail

How to put a job in background & bring it to foreground?

3 9868

What is default permissions for others in a file?

5 8216

What is the difference between grep & find?

HCL,

3 49587

What is egrep?

2 8457

What is a pipe?

Fichtner,

18 20916

what happens when we create a file system?

1 4946

what is a profile?

1 4670

From command line how will you add a user account?

2 5636

Name key files or directories on a UNIX system that should always be backed up?

1 6072

Name key files or directories on a Windows system that should always be backed up?

2 5670

What is an incremental backup?

2 5612

What is a level 0 backup?

Atos Origin,

2 11033

What steps are required to perform a bare-metal recovery?

1 5720

What are the main differences between Apache 1.x and 2.x?

IBM,

1 8384

What does the ?route? command do?

2 6362

Un-Answered Questions { Unix }

How do I run a bash script?

1136

How do I find previous commands in unix?

1138

What Happens when you execute a program?

1061

What are the differences among a system call, a library function, and a unix command?

1161

Explain how do we change file access permissions?

888

What does sed command do in unix?

1136

What is the use of egrep command in unix?

1140

What is source unix?

864

Is windows a unix operating system?

947

Are unix sockets faster than tcp?

812

Who wrote grep?

1018

What is a regular file in unix?

944

In what way the validity fault handler concludes?

938

What is typeset in unix?

942

What unix means?

916

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