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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 5608

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 7084

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

 5 10169

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 13068

tell me similarities between thread and process

Tanla Solutions,

4 32420

what is mean by kernal?

Excel,

9 10729

describe the escaping sequence characteres in unix

 1 7279

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

 2 3673

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

Mac, Nokia,

24 33399

What is an Environment Variable?

CTS,

4 10300

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

HCL, IBM,

2563

What is file constructing in UNIX/AIX ?

IBM, TCS,

2 7092

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 10676

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

 5 8296

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 7616

Un-Answered Questions { Unix }

How does unix socket work?

508

How do you start and stop services in unix without using admin console?

584

How do I remove 30 days old files in unix?

498

What is home directory in unix?

472

Is command prompt unix?

583




What is meant by unix operating system?

518

What does 'mkdir' command do in UNIX?

660

Describe the zip/unzip command using gzip.

610

What is the working set of a process?

600

How to know the information about a file?

519

Explain what is protection boundary?

572

How do I get to my home directory in unix?

487

What is $path in unix?

514

Tell me how to protect a process from others to kill?

503

What is the symbol in unix?

490

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