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

Unix Interview Questions

Questions Answers Views Company eMail

Which mode is used for allowing file write,read and append mode?

BitWise, TM,

9 20544

Which Command is Used for temprary switch User?

BitWise, IBM,

5 17272

What is use of sed command?

BitWise, Infosys, Reliance,

12 29726

What is the difference between windows environment and Unix environment ?

Oracle,

8 13266

How can u doing testing in Unix environment ?

TCS,

2 9312

hi.when will u come to klnce 4 campus interviews??/

2242

Give the command to display space usage on the UNIX file system.

16 32070

What is the difference between Shell Programming and Shell scripting?

HCL, TCS, Wipro,

10 39232

HOW DO CREATE A NFS FILE SYSTEM

Mind Tree,

4 12152

how unix kernel distinguishes between a normal file and device file ?

Google, IBM, McAfee, Vodafone,

7 18041

what will this do $cat > file.c ?(file.c is a file in current directory)

IBM,

20 22961

what will be the output of ls ~/..

ABC,

27 27682

what is diff between command and utility in unix

3 7998

differentiate between named & unnamed pipe.

Cisco, IIT, ISEC,

11 90738

what is exact definition of operating system?

13 17698

Un-Answered Questions { Unix }

What is page fault? Its types?

705

What are hidden files in unix?

746

What Happens when you execute a program?

862

How is windows different from unix?

742

What are states that the page can be in, after causing a page fault?

797

Is unix os free?

698

Is android unix based?

785

What pieces of information make up a socket?

741

What is a socket connection?

697

How do I delete files from command prompt?

831

How to give execute permission for a file in unix?

702

Is there any method to erase all files in the current directory, along with its all sub-directories, by using only one command?

838

Explain the steps that a shell follows while processing a command.

926

How to know the information about a file?

730

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

762

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