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

Unix Interview Questions

Questions Answers Views Company eMail

What does iostat do?

IBM,

4 12301

What are the read or write or execute bits on a directory mean?

2 5839

How do you list the files in an UNIX directory while also showing hidden files?

6 15007

How do you execute a UNIX command in the background?

6 17636

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

4 11229

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

5 14571

the difference between a soft link and a hard link?

6 13375

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

6 12857

Explain iostat, vmstat and netstat.

CTS, Wipro,

3 23645

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

4 15944

Give two UNIX kernel parameters that effect an Oracle install

Oracle,

3 11272

Briefly, how do you install Oracle software on UNIX.

2 11451

In Unix inter process communication take place using?

2 12046

what is the process id for kernell process

3 7209

what is the very first process created by kernell

5 12324

Un-Answered Questions { Unix }

Can you explain the method of changing file access permission?

923

Explain ‘system calls’ with respect to unix commands?

1097

How do I run a .sh file in unix?

929

Tell me set-user-id is related to (in unix)?

917

Which ipc is faster?

981

What are three main elements of unix operating system?

854

What is standard unix streams ?

1076

Explain piping.

901

Is it inbetween or in between?

1065

what is wrong with this interactive shell script?

982

What is a socket file?

889

How do you repeat a command in terminal?

1231

What is the ‘nohup’ in unix?

926

The syntax of command statement in UNIX

How to change the password in unix operating system?

946

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