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Operating Systems Interview Questions
Questions Answers Views Company eMail

what does the job command do?

 4 7951

what is the difference between "cron" command and "at" command?

 5 45342

How to remove a crontab file?

 2 6395

In Unix file permissions what does the second field denotes?

 3 6997

what is the significance of "su" command?

 3 8592

which command is used to change group?

 5 8248

which command is used to stop a running process in unix?

 8 22739

what is the use of nice command?

 4 9708

what is the use of "fg" command ?

PSU, Sail,

5 13190

what is the use of wild cards?

 2 6548

How to redirect standard error to a file?

 2 7156

what are the uses of filters?

 3 6581

what is the use of "grep" command?

HCL,

6 11360

what is the functionality of kernel in unix architecture?

HCL,

13 25745

How to get the operating system's information in unix?

IBM, TCS,

6 14393

Un-Answered Questions { Operating Systems }

What does shebang mean in unix?

503

What is architecture of unix operating system?

488

Can we create a thread inside a thread?

481

What is the minimization factor and time complexity of b-tree?

705

operating system support which deadlock handling techniques like solars, unix implement which deadlock handling techniques

2061




Why linux have no virus?

457

How do you kill a process in linux?

558

How do I open the run command?

480

Command Kill any user’s all processes.

564

Explain about chmod options filename?

643

Find duplicates in infinite range. Which data structure to be used to give efficient solution?

539

What is operating system in computer?

562

What are nis daemons?

570

How do I move files from c to d?

509

When would you choose Top-down methodology?

1879

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