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 9872

What is default permissions for others in a file?

5 8223

What is the difference between grep & find?

HCL,

3 49594

What is egrep?

2 8463

What is a pipe?

Fichtner,

18 20936

what happens when we create a file system?

1 4950

what is a profile?

1 4675

From command line how will you add a user account?

2 5648

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

1 6082

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

2 5677

What is an incremental backup?

2 5619

What is a level 0 backup?

Atos Origin,

2 11042

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

1 5723

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

IBM,

1 8387

What does the ?route? command do?

2 6370

Un-Answered Questions { Unix }

In detail elaborate the system? What is driver?

2112

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

1307

What are the essential features of the unix operating system?

887

What's the difference between a socket and a port?

805

Is unix a kernel?

876

What is the functionality of a top command?

1069

Is mac a unix system?

838

What Happens when you execute a program?

1065

What does this command do,"$more readme.txt“?

1112

What is a directory?

914

Which mode executes the fault handler?

1010

What are the three main components of unix architecture?

951

Write a command to kill the last background job?

1043

What is the difference between grep and grep?

1074

Give a brief idea about representation of devices in unix.

926

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