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 22937

hw will u use awk in replacing cahrs and files

2721

How to see unused port number in Solaris?

HCL,

2 11640

What is the difference between udp and tcp?

HCL, TCS,

2 9474

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

IBM,

9 12089

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

Wipro,

2 8546

why metadb requires a seperate slice to create Solaris volume manager

Wipro,

2546

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

1 5376

What is the command to check ports active in UNIX?

Accenture, IBM,

4 11673

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

TCS, Wipro,

6 14401

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

Infosys,

1 7626

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

12 14639

how to check a file system type

Wipro,

7 12310

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 10653

What does mkdir up2date; touch outdated up2date do?

2 5679

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Un-Answered Questions { Unix Commands }

What is ctrl d?

588

What do know about tee command and its usage?

581

Is grep faster than awk?

554

Which unix command to make a new directory?

583

What is merge command in unix?

938

What are file commands?

646

What are reported commands?

559

How can you see the command line history?

579

Is it inbetween or in between?

572

What is the size of time_t?

636

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

818

Is command prompt unix?

571

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

662

What command will change your prompt to myprompt?

692

Explain ‘library functions’ with respect to unix commands?

596

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