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 44063

Protection boundary??

1 6276

what is Scheduling?

Hexaware,

3 9066

What are the different kinds of threads?

Ericsson, Fashion Technology,

3 15988

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

1 7140

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

1 7435

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

2 8695

The very first process created by the Kernal in UNIX is

7 24124

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

14 35032

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

6 14112

what are wild cards?

2 5751

what is the difference between relative path and absolute path?

7 53092

what is the difference between commmands cmp and diff?

iNautix,

9 50789

what is the use of uniq commmand?

8 13624

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

5 12393

Un-Answered Questions { Unix }

Is mac a unix system?

860

What is unix portability?

924

Write a command to display a file’s contents in various formats?

1207

Explain how do you execute one program from within another?

965

What are the main features of unix?

1514

i m putting 2.6yrs fake exp in oracle/unix production support i want to know some real time issues,like tell me the challenging issue u ever faced? my project is credit card application plz help me!

13367

What will the following command do?

1117

What uses unix?

957

What is difference between unix and windows?

970

Name the various commands that are used for the user information in unix.

1081

Name the general commands in using unix os for a beginner?

1156

What is the first character of the output in ls l command?

1209

Who invented grep?

1158

Difference between the fork() and vfork() system call?

1005

What does the command '$ls | wc –l > file1' do?

1228

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