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Unix Interview Questions
Questions Answers Views Company eMail

What UNIX command will control the default file permissions when files are created?

 3 11746

Explain the read, write, and execute permissions on a UNIX directory.

 1 4200

What is the difference between a soft link and a hard link?

 1 5089

Give the command to display space usage on the UNIX file system.

 6 9306

Explain iostat, vmstat and netstat.

 2 9022

How would you change all occurrences of a value using VI?

 1 5871

Give two UNIX kernel parameters that effect an Oracle install

 1 4746

what is the command to list files in a directory in UNIX?

8 11003

what is the command to list all files in a directory, including the hidden files in UNIX ?

CTS,

9 15638

How do you find out all processes that are currently running in UNIX OS?

10 14980

In UNIX, what is the command to kill a process?

10 20625

In UNIX, what is the command to edit contents of the file?

9 11750

in UNIX ,What is the command to view contents of a large error log file?

7 13288

How do you log in to a remote Unix box?

2 7245

what is the command to get help on a UNIX terminal?

5 9133

Un-Answered Questions { Unix }

What does pipe () return?

779

I want to invest in learning things that will get me good jobs in future. But wondering if Unix knowledge is something that is a MUST have or is it better to do any Data-warehouse tool (cognos, Qclik view, ETL etc..). Please suggest me.

2077

What are the requirements for a swapper to work?

774

Why is shebang used?

806

What is umask in unix?

690

Tell me how to protect a process from others to kill?

636

Explain the system calls used for process management?

722

why unix commands simpler rather than complex task

4061

Name the key features of the bourne shell.

679

How to remove files in unix?

774

How is the command '$cat file2 ' different from '$cat >file2 and >> redirection operators ?

975

How are unix domain sockets implemented?

645

What are the advantages and disadvantages of unix operating system?

775

Please describe the initial process sequence while the system boots up?

771

Why is grep called grep?

997

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