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

Unix Interview Questions

Questions Answers Views Company eMail

How to check whether some services are running in another server or not? Suppose i am currently in a server named A.I want to check whether some services are running in server B without logging into the server B.

Amazon, MBA, Syntel, TCS, Unisys,

3 16574

What is the output of : $ ps-e $ ps-a commands

IBM,

5 31802

Which is the command used to find out currently executing Process in UNIX?

Amazon,

6 12677

What is the protocol for PING command?

IBM,

1 7668

How many bits use for MAC address?

Google,

7 11141

what is the default signal kill in unix?

IBM,

8 16577

what is the difference between npar and vpar in HP-UX?

CSC,

1 14691

What is clustering in HP and how it's work?

HP,

1 5686

how to make IGNITE-BACKUP in HP-UX?

HP,

4 19406

what is Online(STM) and offline diagnostics in HP-UX?

HP,

2 8915

What is LILO?

2 5351

How to find and replace the below command?

HCL,

2 10213

How will you know who are the users logged in to the system before 15 minutes?

Amazon,

4 14941

1)what is grep|sort give example? 2)what are the test commands

Cap Gemini,

1 6162

how do you move a backgrounnd job to forward?

Cap Gemini,

3 8240

Un-Answered Questions { Unix }

How can you get/set an environment variable from a program?

965

Explain about daemon?

1029

How do I run a ksh script in unix?

973

What is unix operating system used for?

934

What is ant_build.sh? Have u seen that file?

2326

What does af mean in sockets?

925

What scheme does the Kernel in Unix System V follow while choosing a swap device among the multiple swap devices?

1065

Explain the different kinds of threads?

1043

Give a brief idea about representation of devices in unix.

990

Explain similarities between thread and process?

986

What are special characters in unix?

876

What is the purpose of socket?

917

How to remove the last line/trailer from a file in Unix script?

1015

How to find $ai_serual resolved path by using unix

1757

What are the common directory management commands in unix?

1110

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