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

Unix Commands Interview Questions

Questions Answers Views Company eMail

how to delete entire records in unix ?

Cap Gemini,

13 27963

hw will u use awk in replacing cahrs and files

3250

How to see unused port number in Solaris?

HCL,

2 12808

What is the difference between udp and tcp?

HCL, TCS,

2 10830

their is a file1,file2 and i want to append file1 data to file2?

IBM,

9 14918

what is the default permission for /etc/shadow file in UNIX

Wipro,

2 9825

why metadb requires a seperate slice to create Solaris volume manager

Wipro,

3172

which script will invoke first ,when /etc/init.d starts

1 6489

What is the command to check ports active in UNIX?

Accenture, IBM,

4 13558

what these two commands prints "echo test","cat test"?

TCS, Wipro,

6 16492

How to get the last ten lines of a file using awk utility?

Infosys,

1 8711

How to add content of one file into another file at the beginning

12 18568

how to check a file system type

Wipro,

7 14822

How to replace the exact word in vi editor?? suppose a file contains words like amaze,amazed,amazement in some of the line.But i want to replace only 'amaze' with delight but don't wanna replace amazed or amazement. thanks

Polaris, Tech Mahindra,

6 12975

What does mkdir up2date; touch outdated up2date do?

2 6719

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Un-Answered Questions { Unix Commands }

What is the use of the tee command?

1100

What command is used to check the current users?

1136

What is nr in awk command?

1212

What do chmod command do?

1233

Why is it called a shebang?

1195

What is ctrl d?

1103

What do chmod, chown, chgrp commands do?

1294

What do know about tee command?

1168

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

1225

How do I delete files from command prompt?

1227

What is the command to view process running?

1113

How do you repeat a command in terminal?

1232

How do I run a whois command?

1156

Describe the usage and functionality of the command rm –r * in unix?

2107

hw will u use awk in replacing cahrs and files

3250

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