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

Windows (3805)
Linux (2255)
Unix (1304)
Solaris (894)

RTOS (43)
Bulnex (4)
Operating Systems General Concepts (1242)
Data Structures (2039)

Operating Systems Interview Questions

Questions Answers Views Company eMail

What is the complete name of the default configuration file for LILO?

1 7088

What file should you examine to determine the defined runlevels for your system?

7 15459

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

6 15258

How do you execute a UNIX command in the background?

6 17848

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

4 11412

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

5 14796

the difference between a soft link and a hard link?

6 13680

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

6 13133

Explain iostat, vmstat and netstat.

CTS, Wipro,

3 23800

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

4 16171

Give two UNIX kernel parameters that effect an Oracle install

Oracle,

3 11437

Briefly, how do you install Oracle software on UNIX.

2 11569

Which one you will use to implement critical section?

HCL,

2 7344

Which one is not needed for Multi-program enviornment? 1) virtual memory 2) security 3) time sharing 4) none of the above.

Siemens,

7 13641

semaphore variable is different from ordinary variable by ?

Siemens,

2 17290

Un-Answered Questions { Operating Systems }

what is gr-edge edit?

2205

What is the command for cut?

1019

What is the next version of windows after 10?

961

What is the current version of windows 10?

928

Draw a binary Tree for the expression : A * B - (C + D) * (P / Q)

1479

What is the latest linux kernel?

1018

What is the most powerful processor?

1072

What is the next windows after 10?

933

What are the differences between FTP , NFS , SAMBA servers explain separately.

1315

what is the gate of ftp server in redhat linux?

1981

When will the next windows os come out?

879

Write a program for Sorting an Array. Which sorting will you prefer?

1024

How can you edit a large file without opening it in unix?

963

How much does it cost for a copy of windows 10?

856

How does registry work wedding?

873

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