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 15098

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

TCS,

4 11774

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 10978

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

7 11681

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

Cosmic Infotech, Perot Systems,

5 9974

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

4 11474

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 7941

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

2 6421

to list a particular line in the file

5 8424

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

MEIT, Syntel,

5 13054

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

5 10679

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

2 10812

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

HCL, IBM,

4 14021

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

CTS,

7 14971

What is the difference between pipe and xargs?

Amazon, CTS,

2 16631

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Un-Answered Questions { Unix Commands }

What is grep r?

1107

What is “chmod” command?

1184

What does the “echo” command do?

1157

What is the difference between grep and grep?

1137

What is the command to compare two files in unix?

1127

What is the use of awk command in unix?

1136

What are some command words?

1141

What is the difference between awk and grep?

1258

How does pipe () work?

1100

What is ‘ps’ command for?

1187

What do chmod command do?

1229

How to display no of records in oracle using unix command?

1175

Enumerate some of the most commonly used network commands in unix?

1175

Describe the zip/unzip command using gzip.

1162

What is pipe command in unix?

1307

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