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 27246

hw will u use awk in replacing cahrs and files

3185

How to see unused port number in Solaris?

HCL,

2 12658

What is the difference between udp and tcp?

HCL, TCS,

2 10715

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

IBM,

9 14565

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

Wipro,

2 9700

why metadb requires a seperate slice to create Solaris volume manager

Wipro,

3093

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

1 6409

What is the command to check ports active in UNIX?

Accenture, IBM,

4 13366

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

TCS, Wipro,

6 16238

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

Infosys,

1 8579

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

12 18076

how to check a file system type

Wipro,

7 14564

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 12710

What does mkdir up2date; touch outdated up2date do?

2 6569

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Un-Answered Questions { Unix Commands }

How do I use nslookup?

1053

how to sort the content of the file based on numeric values

1736

What is command substitution?

1283

What is a command and examples?

1166

Why is awk called awk?

1028

What are file commands?

1179

What is the use of tee command?

1090

What does the “echo” command do?

1105

What are grep patterns?

1032

What does the metacharacter mean?

1097

Can you enlist some commonly used network commands?

1061

What is difference between grep and find command in unix?

1152

What's a command word?

1120

What are the unix commands?

1037

What is the nmap command?

1134

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