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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 5564

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 7054

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

 5 10134

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 13006

tell me similarities between thread and process

Tanla Solutions,

4 32374

what is mean by kernal?

Excel,

9 10688

describe the escaping sequence characteres in unix

 1 7263

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

 2 3657

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

Mac, Nokia,

24 33227

What is an Environment Variable?

CTS,

4 10263

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

HCL, IBM,

2547

What is file constructing in UNIX/AIX ?

IBM, TCS,

2 7067

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 10638

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

 5 8257

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 7584

Un-Answered Questions { Unix }

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

678

Is mac unix based?

495

briefly describe the shell's responsibilities?

791

What is the very first process created by kernel?

580

What is ipc port?

547




What is $path in unix?

507

How do you delete a file in unix?

494

Is unix still around?

456

Which language unix is written?

534

What is difference between grep and find command in unix?

565

How to remove the last line/trailer from a file in Unix script?

516

What are the dos commands?

634

What language is unix written?

477

Is tcp or unix socket faster?

490

Is unix an operating system?

487

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