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 12113

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

2 5747

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

6 14794

How do you execute a UNIX command in the background?

6 17428

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

4 11049

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

5 14380

the difference between a soft link and a hard link?

6 13153

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

6 12616

Explain iostat, vmstat and netstat.

CTS, Wipro,

3 23497

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

4 15777

Give two UNIX kernel parameters that effect an Oracle install

Oracle,

3 11154

Briefly, how do you install Oracle software on UNIX.

2 11364

In Unix inter process communication take place using?

2 11900

what is the process id for kernell process

3 7078

what is the very first process created by kernell

5 12103

Un-Answered Questions { Unix }

What is the difference between grep and grep?

1072

List some of the frequent shells used in unix along with their indicators?

874

Is unix a network operating system?

870

How to write the program on full-duplex communication on bidirectional?

989

What is grep in bash?

1023

Which unix command lists files/folders in alphabetical order?

1684

What is unix shell scripting used for?

877

Which is the shell of unix?

908

What are the various ids in unix processes?

870

What are the basic responsibilities of a shell?

1672

What are some common shells and what are their indicators?

1165

How many sockets can a port have?

815

What is sed awk grep?

1081

Name the key features of the korn shell.

948

What is alias mechanism? Explain.

938

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