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Unix Interview Questions
Questions Answers Views Company eMail

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

 8 22711

what is the use of nice command?

 4 9697

what is the use of "fg" command ?

PSU, Sail,

5 13153

what is the use of wild cards?

 2 6525

How to redirect standard error to a file?

 2 7137

what are the uses of filters?

 3 6546

what is the use of "grep" command?

HCL,

6 11311

what is the functionality of kernel in unix architecture?

HCL,

13 25669

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

IBM, TCS,

6 14366

How to identify whether a file is normal file or directory?

 3 7485

How to view the hidden files in /etc directory?

 10 12963

which command is used to identify the type of the file?

 3 8585

How to copy multiple files and directories into some other directory?

 4 10874

Will rm -r* removes hidden files?

 10 15526

How to rename files and folders?

IBM, Oracle,

7 29140

Un-Answered Questions { Unix }

What is “chmod” command?

562

What are a shell in unix and its types?

494

What is ‘the principle of locality’?

560

How to null a file in unix?

630

Explain the system calls used for process management?

542




What is the first process created by the kernel in unix?

478

How old is unix?

482

Explain the advantage of executing a process in background?

509

Explain the terms ‘system calls’ and ‘library functions’ with respect to unix commands?

638

What are links and symbolic links in UNIX file system?

535

What command is used to switching between users in unix?

560

How can you kill a process in unix?

469

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

478

What is unix operating system?

516

Is unix free to use?

502

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