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Operating Systems Interview Questions
Questions Answers Views Company eMail

How will you check the disk performance?

Wipro,

2 5264

What are performance tool used

 1 3250

Which service assign port no dynamically

 1 3384

As a user how he can change is passwd with root privilege.

 2 4134

What is default permission of /etc/passwd , /etc/shadow files

Accel Frontline,

7 33650

What is default permission of files and directory?

 4 4756

What is UMASK

 2 4189

Defalut value for umask

 3 4499

Explain setuid, setgid and stickybit

 2 6362

How to set passwd never expire for a user

 4 11397

How to find the kernel bit version or architecture

 5 6246

How to set the time zion

 3 3892

How to enable and disable the dtlogin

 1 3199

How to change the hostname and Ethernet address in single command

 2 4607

How do you add the disk without reboot the server?

 2 4470

Un-Answered Questions { Operating Systems }

What tense is a command?

433

What is sorted map?

502

What does this command do,"$more readme.txt“?

693

Can you run chkdsk on ssd?

449

Write an algorithm for inserting and deleting an element from doubly linked list?

506




How do I kill multiple processes in windows?

442

Define heap?

599

What is bitonic search?

559

When is a system in a safe state?

635

Can you explain a little bit about command substitution?

612

Is unordered_map a hash table?

479

List the data structures which are used in hierarchical data model.

522

Can hashmap have duplicate keys?

502

How do I open a jpg file?

472

Why use a tuple instead of a list?

462

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