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

Unix Commands Interview Questions

Questions Answers Views Company eMail

the difference between a soft link and a hard link?

6 13382

Give the command to display space usage on the UNIX file system.

6 12864

Explain iostat, vmstat and netstat.

CTS, Wipro,

3 23650

How would you change all occurrences of a value using VI?

4 15950

Give two UNIX kernel parameters that effect an Oracle install

Oracle,

3 11274

Briefly, how do you install Oracle software on UNIX.

2 11451

what does a process mean?

Infosys,

7 13285

what is the advaantage of each user having its own copy of the shell?

BMC, CNS, DELL, Infosys,

2561

what do you understand by 'building block primitive'?

Infosys,

3230

distinguish between paging and swapping?

Infosys,

1 7595

distinguish between user mode and kernel mode?

Infosys,

4 17813

distinguish between interrupts and exceptions?

Infosys, Wipro,

2 9920

what is virtual machine?

Infosys,

2 6749

distinguish between physical addresses and logical address?

College School Exams Tests, CTS, Infosys, SAX, TATA, TCS,

23 83762

distinguish between multi-tasking,multi-user,multi- processing and time sharing?

Infosys, Nikhil Construction,

4 37129

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Un-Answered Questions { Unix Commands }

How can we use grep command in unix?

1218

What is $0 bash?

1208

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

2107

Name the unix command to find how many days the server has been up.

1167

What command is used to check the current users?

1136

What is the comma to show the space allocation of files?

1095

What do chgrp command do?

1223

What is the size of time_t?

1220

Why is it called grep?

1033

Which command is used to restrict incoming messages?

1113

What happens when we execute a unix command?

1147

Who invented grep?

1165

Using unix command how to display no of records in oracle?

1167

What is used to type command?

1064

What is the use of find command in unix?

1159

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