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

Name the unix command to find how many days the server has been up.

1221

What do chmod command do?

1300

Which command should you use to find the remaining disk space in unix server?

1358

What is the behavioural difference between cmp and diff commands?

1355

What is “chmod” command?

1254

Which command is used to find whether the system is 32 bit or 64 bit?

1211

Which unix command lists files/folders in alphabetical order?

2 1870

Name the various commands that are used for the user information in unix.

1145

Can you explain a little bit about command substitution?

1171

Describe the zip/unzip command using gzip.

1241

Explain the terms ‘system calls’ and ‘library functions’ with respect to unix commands?

1276

Explain ‘library functions’ with respect to unix commands?

1226

Can you write a command to erase all files in the current directory including all its sub-directories?

1 1734

What is the command to find hidden files in the current directory?

1247

What is the unix command to confirm a remote host is alive or not?

1291

Un-Answered Questions { Operating Systems }

Does linked list allow null values?

876

How do I set environment variables in windows?

866

How do I run a .exe file?

1025

Can you just explain about memory management in iOS?

1105

Explain the basic concepts and hierarchy of memory?

1170

Can we create exe file in java?

953

What is the file in unix?

977

Will windows 12 be a free upgrade?

909

how do I increase the size of a logical volume?

What does adt stands for?

931

Is arraylist synchronized?

1054

What do you mean by multithreading?

1147

What is the command for paste?

998

What app opens jpg files?

986

How to view shared memory statistics?

1008

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