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

Unix Interview Questions

Questions Answers Views Company eMail

What is Critical section?

TCS,

13 44469

Protection boundary??

1 6359

what is Scheduling?

Hexaware,

3 9234

What are the different kinds of threads?

Ericsson, Fashion Technology,

3 16137

what are the Architectural differences between User-space threads, and Kernel-supported threads.

1 7262

what are the Performance differences between User-space threads and Kernel-supported threads.

1 7518

When should we use thread-safe "_r" library calls?

2 8830

The very first process created by the Kernal in UNIX is

7 24395

what is the command to find out which shell you are running?

14 35569

what is the command to find out the difference between files and folders?

6 14394

what are wild cards?

2 5847

what is the difference between relative path and absolute path?

7 53385

what is the difference between commmands cmp and diff?

iNautix,

9 51192

what is the use of uniq commmand?

8 13880

what is tar command and what are the different types of tar commands?

5 12594

Un-Answered Questions { Unix }

What is the use of sed command in unix?

1258

What are the three main components of unix architecture?

1045

What are grep patterns?

1148

What does tr H do in unix?

1104

What are the main differences between Apache 1.x and 2.x?

8550

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

2180

Explain pid.

998

What are the differences among a system call, a library function, and a unix command?

1273

Is a socket a file?

908

Which command is used to create a directory?

1226

What is file structure in unix?

981

What is the nmap command?

1239

What are the pros of executing processes in the background?

916

Is unix free?

1001

Is unix still relevant?

1029

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