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

Unix Commands Interview Questions

Questions Answers Views Company eMail

use of ls command

9 15038

29. How to display top 10 users Who | head -10 | wc –w

TCS,

4 11741

1-how will you display a file whose name is starting with '- '? 2-how will you add a patten at end of every line in vi editor?

7 10933

in a growing log file how will you see the 1st 99 lines?

7 11639

how will you login one server's shell prompt to an another server?

Cosmic Infotech, Perot Systems,

5 9938

how will you convert a general file to a hidden file?

4 11438

hi i have directories within the directory. Now i want to copy the directory along with all directories included in it to one location by using copy command? what is the command

ACS, Span Systems,

2 7918

What is the different between UNIX command and UNIX shell script?

2 6399

to list a particular line in the file

5 8388

what is the cmd to display the last exit status in UNIX?

MEIT, Syntel,

5 13021

what is the cmd to remove the comment lines from a file and to display the original text without comments? thanks in advance......

5 10641

What is an Unix command to convert HEX value to ASCII value located in any flat file.

2 10796

How can i know my Filesystem and its current usage in my prod UNIX system?

HCL, IBM,

4 13984

A file has 1000 lines and i want to display only 1st line how to do it? pls ..tel me

CTS,

7 14923

What is the difference between pipe and xargs?

Amazon, CTS,

2 16595

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Un-Answered Questions { Unix Commands }

What are reported commands?

1125

What are the commands in UNIX to list the files in a Directory?

1180

What's a command word?

1171

What command is used to switching between users in unix?

1079

What is grep short for?

1045

What is the command to find maximum memory taking process on the server?

1207

Differentiate cat command from more command.

1145

What do chgrp command do?

1212

Write a command that will allow a unix system to shut down in 15 minutes, after which it will perform a reboot.

1236

Can you explain a little bit about command substitution?

1112

What are the dos commands?

1257

Give the command for finding the current date.

1104

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

1209

Does cp command overwrite files?

1194

Name the general commands in using unix os for a beginner?

1156

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