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 7085

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

7 15440

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

6 15255

How do you execute a UNIX command in the background?

6 17841

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

4 11401

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

5 14787

the difference between a soft link and a hard link?

6 13669

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

6 13132

Explain iostat, vmstat and netstat.

CTS, Wipro,

3 23795

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

4 16163

Give two UNIX kernel parameters that effect an Oracle install

Oracle,

3 11432

Briefly, how do you install Oracle software on UNIX.

2 11566

Which one you will use to implement critical section?

HCL,

2 7338

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

Siemens,

7 13629

semaphore variable is different from ordinary variable by ?

Siemens,

2 17280

Un-Answered Questions { Operating Systems }

Does windows 10 have email?

892

How do I debug an exe file in windows?

990

What is 0xc000007b?

825

Can we change load factor of hashmap?

946

Can windows 10 be downloaded free?

912

How do I run a repair on windows 10?

1024

What is data type and its types?

987

How do you take backup of file systems?

What are the two command line interfaces that come with windows?

852

Is there a diff command in windows?

905

Explain in brief a linked list.

1019

The command â€˜umask -Sâ€™

1075

What are the advantages of linked list over array (static data structure)?

1394

What is ipc port?

1063

widget in x-windows is ?

893

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