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

Windows (3805)
Linux (2255)
Unix (1343)
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 6981

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

7 15141

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

6 14990

How do you execute a UNIX command in the background?

6 17624

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

4 11219

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

5 14558

the difference between a soft link and a hard link?

6 13358

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

6 12834

Explain iostat, vmstat and netstat.

CTS, Wipro,

3 23636

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

4 15932

Give two UNIX kernel parameters that effect an Oracle install

Oracle,

3 11263

Briefly, how do you install Oracle software on UNIX.

2 11443

Which one you will use to implement critical section?

HCL,

2 7202

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

Siemens,

7 13313

semaphore variable is different from ordinary variable by ?

Siemens,

2 17105

Un-Answered Questions { Operating Systems }

Which account is created on linux installation?

897

How do I clean up the start menu in windows 10?

970

Does chkdsk destroy data?

813

Explain the basic functions of process management.

1180

Are duplicates allowed in hashmap?

884

how to sort the content of the file based on numeric values

1783

How to install linux os along with fedora 14 os in one system?

939

Does windows 8 still get updates?

787

How does operating system kernel work?

1087

What is the difference between a file and a directory?

1096

How the Kernel handles the copy on write bit of a page, when the bit is set?

928

What does shebang mean in unix?

904

How do I delete a dll file in windows 10?

787

Explain cannot copy (file name)- access is denied?

1095

How to Close Sockets?

1457

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