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

Unix Commands Interview Questions

Questions Answers Views Company eMail

describe the escaping sequence characteres in unix

1 8030

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

Mac, Nokia,

24 40429

What is an Environment Variable?

CTS,

4 11896

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

5 10171

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

4 17084

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

Informatica,

3 12067

Which RAID Levels supported by LVM?

5 13094

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

5 8992

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

TCS,

12 23654

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

NIIT,

2 7218

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

6 11447

how many internal commands is there in UNIX?

TCS, Virtusa,

3 16788

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 12521

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.

TCS,

28 36171

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 25100

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Un-Answered Questions { Unix Commands }

What is nr in awk command?

1197

What's a command word?

1171

What command is used to switching between users in unix?

1079

Explain command to show the space allocation of files?

1120

Write a command to kill the last background job?

1098

Explain the terms ‘system calls’ and ‘library functions’ with respect to unix commands?

1217

What is time_t?

1108

What do chmod, chown, chgrp commands do?

1283

How do I delete files from command prompt?

1219

What is the search command in unix?

1089

Enlist some filename manipulation commands in unix.

1158

Is it inbetween or in between?

1046

How does the system know where one command ends and another begins?

2249

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

1209

What are the unix commands?

1095

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