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Unix Interview Questions
Questions Answers Views Company eMail

Assume that a file’s permissions give you read and write access. What operations can you perform on the file if it is in a directory which has “r”(read) only process? What operations can you perform on the file if it is in a directory which has “x”(execute) only access?

 1 6296

When the shell is reading the command line what is the difference between text enclosed between double quotes ( ” ) and text enclosed between signal quotes ( ’ )?

 3 7797

The rm command removes links to file. What does this mean? How then is a file deleted from the file system?

 5 11093

Assume the following files are in the working directory prompt> ls -l tasks -rw-r--r-- 1 alex student 1423 Feb 21 14:01 tasks What command can Alex use to give everyone permission to write to the file? What will the ls -l command display if he does so?

Infosys,

10 14442

tell me similarities between thread and process

Tanla Solutions,

4 33298

what is mean by kernal?

Excel,

9 11885

describe the escaping sequence characteres in unix

 1 7610

System A can contact system B, but not in reverse, not firewall, not tcp wrappers, what is the reason ?

 2 4102

Write a grep (or grep) command that selects the lines from a file that have exactly three characters.

Mac, Nokia,

24 37134

What is an Environment Variable?

CTS,

4 11047

If Media Server fails. What are the steps to be followed? Can anyone please reply for this question Thanks, Ganesh

HCL, IBM,

2792

What is file constructing in UNIX/AIX ?

IBM, TCS,

2 7593

How to find the version details of unix? if any application is installed in unix OS how to find the version of that application is it possilbe or not? pls let me know cmd in detail.

HCL,

5 11601

what is the use of ls -l command & what is the information it gives about user ?

 5 9189

What is mean by Mac os? Why it is named as like that? Which purprose it is using? Please answer me. Advance thanks.

Excel, GeniusPort,

2 8232

Un-Answered Questions { Unix }

Define the term directory?

760

Give the command for finding the current date.

794

Who owns the unix trademark today?

694

Explain what is a fifo?

785

How many sockets can a cpu have?

651

what is output mkvg pvname

1939

What does touch command do in unix?

1014

What is the command to view process running?

835

Is mac built on unix?

712

In unix, what is echo used for?

773

Is ios based on unix?

727

What are the layers of unix operating system?

717

Is a directory unix?

698

How to change the directory in unix?

762

Explain the importance of directories in a unix system

850

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