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Operating Systems Interview Questions
Questions Answers Views Company eMail

Write a small dc shell script to find number of FF in the design

 6974

How are devices represented in UNIX?

 2 8888

What is 'inode'?

Infosys,

11 46921

What is a FIFO?

 2 5572

How do you create special files like named pipes and device files?

Wipro,

1 4962

What are the mount and unmount system calls?

HCL,

1 7731

How does the inode map to data block of a file?

 3 13968

what about the initial process sequence while the system boots up?

 1 5202

What are various IDs associated with a process?

 3 5318

Explain fork() system call?

ASAS, IBM,

12 36092

Predict the output of the following program code main() { fork(); printf("Hello World!"); }

3 12191

What are the system calls used for process management?

 3 6566

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

 2 5879

How can a parent and child process communicate?

TCS,

3 17445

What is a zombie?

 10 14820

Un-Answered Questions { Operating Systems }

What are the disadvantages of linked list over array?

465

How do I find command history in linux?

491

Explain piping.

503

How do you check if windows 10 is corrupted?

446

How do you sort elements in an arraylist?

475




What are the two parts of a file path?

473

How can I use windows software on android?

450

What is the purpose of tochararray ()?

483

Is treemap synchronized?

532

How do you create a new user without logging on as a root user?

452

Why do we need socket programming?

502

Mention the data structures which are used in graph implementation.

472

How do I move files into a folder?

526

Define max, min heap and search time of heap.

649

What is the process synchronization in windows operating system?

472

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