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Unix Commands Interview Questions
Questions Answers Views Company eMail

describe the escaping sequence characteres in unix

1 6628

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

Mac, Nokia,

24 23279

What is an Environment Variable?


4 8795

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

5 6524

why unix operating system provides more security than other operating systems?

4 12698

why unix commands can be divided into internal and external commands?


3 9429

Which RAID Levels supported by LVM?

5 9476

Where can I get the free download of Unix by Yeswant Kanetkar?

5 5736

can we use cat command as an editor ..???


12 15774

How can we "forked" process in UNIX? How then recognize in any of the branches we?


2 5203

How does one process we can start an executable file? How to get the PID process, which we started?

6 7569

how many internal commands is there in UNIX?

TCS, Virtusa,

3 13184

How to set sticky bit, or it have any seperate directory to create sticky bit in sunfir servers. Please help me , i don't no the exact answer?

HCL, Wipro,

4 9228

if we create a file, in that 10 rows(means 1,2,....9,10 like). i want 7 row exactly, which command use in unix? plz send this question.


28 21786

Hi All, Can you please let me know how to grep for a particular pattern in unix. I want to print the dates from the file exp.txt. the date pattern is DD:MM:YYYY, I just want to print all the dates from the file exp.txt.

Concentrix, IBM, Symantec, TCS,

8 18565

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Un-Answered Questions { Unix Commands }

How do I run a whois command?


What is used to type command?


Why is shebang used?


What is the first character of the output in ls l command?


Why is it called a shebang?


how to sort the content of the file based on numeric values


What is the function of grep command in unix?


Which command will print your home directory on screen?


What is the use of sed command in unix?


What is grep and how do you use it?


What does the command ' $who | sort –logfile > newfile' do?


What is the use of find command in unix?


What is updatedb?


Explain ‘library functions’ with respect to unix commands?


How to use grep command to list find the records of a file containing 10 different strings?