Unix Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Unix Interview Questions

Questions Answers Views Company eMail

why unix operating system provides more security than other operating systems?

4 16914

why unix commands can be divided into internal and external commands?

Informatica,

3 11901

How to write the program on full-duplex communication on biderctional(e.g using two pipes)

Infosys,

2 20053

Which RAID Levels supported by LVM?

5 12913

Where can I get the free download of Unix by Yeswant Kanetkar?

5 8826

can we use cat command as an editor ..???

TCS,

12 23237

Need a Code snippet about how sharing is happening between Parent and Child threads in OS?

2517

virtual terminal protocol is an example of which layer and works with which layer?

DOEACC, Virtusa,

1 5213

How can we "forked" process in UNIX? How then recognize in any of the branches we?

NIIT,

2 7095

How does one process we can start an executable file? How to get the PID process, which we started?

6 11222

how many internal commands is there in UNIX?

TCS, Virtusa,

3 16679

How to set sticky bit, or it have any seperate directory to create sticky bit in sunfir servers. Please help me , i don't no the exact answer?

HCL, Wipro,

4 12362

how to create a file system quota in HP-UX?

HCL,

1 5446

What is semaphone?

HCL,

5 19833

. Using sed and grep, write a command which lists files and directories with following properties: (i) created in 1999 (ii) with user's as owner and group

2626

Un-Answered Questions { Unix }

Is it possible to see information about a process while it is being executed?

1190

Write down some common shells with their indicators?

1020

Explain the different kinds of threads?

987

Name the various commands that are used for the user information in unix.

1027

What is the nmap command?

1134

Explain the architectural differences between user-space threads, and kernel-supported threads?

924

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

788

What's a command word?

1120

What does grep v do?

1008

How does unix pipe work?

911

How does unix file system work?

952

What is unix and why it is used?

954

Is unix free to use?

872

Are sockets files?

829

How do I find the port number of pid in unix?

864

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