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 14754

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

TCS,

4 11596

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 10680

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

7 11408

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

Cosmic Infotech, Perot Systems,

5 9737

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

4 11280

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 7793

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

2 6265

to list a particular line in the file

5 8231

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

MEIT, Syntel,

5 12845

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

5 10435

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

2 10671

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

HCL, IBM,

4 13829

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

CTS,

7 14699

What is the difference between pipe and xargs?

Amazon, CTS,

2 16491

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Un-Answered Questions { Unix Commands }

What is s and g in sed command?

1065

What does sed command do in unix?

1131

How do you repeat a command in terminal?

1163

Explain ‘library functions’ with respect to unix commands?

1128

What command is used to switching between users in unix?

1034

What is awk good for?

1099

What do chmod command do?

1149

What is in grep command?

1128

What is command substitution?

1283

What do know about tee command?

1118

Which command is used to find whether the system is 32 bit or 64 bit?

1088

How do I run a bash script?

1128

What does touch command do in unix?

1355

How do you grep a case insensitive?

1004

Is ‘du’ a command? If so, what is its use?

1099

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