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

Unix Commands Interview Questions

Questions Answers Views Company eMail

How to find the files that are accessed before 10 minutes?

Amazon,

5 15136

By using which command we can find the CPU utilization time?

Amazon,

7 16002

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 16571

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

IBM,

5 31797

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

Amazon,

6 12673

What is the protocol for PING command?

IBM,

1 7667

How many bits use for MAC address?

Google,

7 11138

what is the default signal kill in unix?

IBM,

8 16572

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 19405

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

HP,

2 8914

How to find and replace the below command?

HCL,

2 10210

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

Amazon,

4 14940

How to open a Database using Unix Command Please Do Reply

Cognizant, CTS,

9 22809

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Un-Answered Questions { Unix Commands }

What is used to type command?

1064

What is ‘ps’ command for?

1187

What's a command word?

1180

Differentiate cmp command from diff command.

1172

What are filter commands in unix?

1204

Why is it called a shebang?

1185

What is the use of sed command in unix?

1213

What does grep v do?

1059

How do I find previous commands in unix?

1195

Explain ‘library functions’ with respect to unix commands?

1175

Is there a way to erase all files in the current directory, including all its sub-directories, using only one command?

1409

What is grep r?

1107

What do know about tee command and its usage?

1184

What is the command to compare two files in unix?

1126

What is s and g in sed command?

1120

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