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 16736

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

IBM,

5 31995

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

Amazon,

6 12846

What is the protocol for PING command?

IBM,

1 7759

How many bits use for MAC address?

Google,

7 11350

what is the default signal kill in unix?

IBM,

8 16820

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

CSC,

1 14782

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

HP,

1 5747

how to make IGNITE-BACKUP in HP-UX?

HP,

4 19544

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

HP,

2 9008

What is LILO?

2 5441

How to find and replace the below command?

HCL,

2 10301

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

Amazon,

4 15085

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

Cap Gemini,

1 6246

how do you move a backgrounnd job to forward?

Cap Gemini,

3 8362

Un-Answered Questions { Unix }

How do I grep recursively in unix?

1007

Explain the different types of pathnames that are used in unix.

925

Which are typical system directories below the root directory?

983

Does unix have a gui?

962

What does 'mkdir' command do in UNIX?

1365

How do I run a ksh script in unix?

1010

Explain command to show the space allocation of files?

1168

What is time_t?

1159

Why is unix better than windows?

981

Explain how to use grep command to list find the records of a file containing 10 different strings?

1124

Explain what are the unix system calls for i/o?

965

How do I find the port number of pid in unix?

948

Does apple use unix?

960

What is the command to view process running?

1153

Is command prompt unix?

1213

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