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

Windows (3805)
Linux (2255)
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RTOS (43)
Bulnex (4)
Operating Systems General Concepts (1242)
Data Structures (2039)

Operating Systems Interview Questions

Questions Answers Views Company eMail

what is the importance of swap memory and how it will supports?

1 2350

what is the roles and responsibilities in linux system admin having 2yrs exp..?

HCL, RNF Technologies,

1 4261

can any one send me one project on linux ...?

Verizon,

2833

why it is difficult to store linked list as an array?

1 3280

discuss the procedures to evaluate disk excess time

Wipro,

1 2666

how to create tree of processes. one parent and 3 childs.

HCL,

1 5384

How to know whether the message queue is empty or not.

Fibcom, HCL,

1 3661

What is Inode.

HCL,

2 5567

what are the stands for OAB(offline address book) in exchange server?

DELL, Microsoft,

1 5324

What is the difference between ext3 and ext4?

IBM,

1 2538

Why is it suggested to disable journalism in ext4 filesystem?

IBM, TCS,

1 3633

I have one flat file,in this file how many columns are there i don't know,but one ename column is there , just i want to cut the surname, so how to cut the surname, any one know the answer please guide me ? ename ----- tapan kumar nayak bala murugan kutal chkrobarthy biswo My output is like that OUTPUT ------ nayak murugan chakrobarthy biswo

Cap Gemini,

1 3555

"ls" command is showing all the subdirectoary and files which are present in the current directoary, i want to cut only directoary name. How to cut only name ?

Cap Gemini,

2 4761

There is some data related to temperatures of different cities. One side(thread), will be updating the values and multiple clients will be reading the values. how do you achieve synchronization?

IMS, Sapient,

1 4450

When i run a programm of orphan process. Instead of getting child's parent (ppid)=1 ..i get 1400 and it varies as per system. How can i findthe right soluion??? My pgm: #include # include int main() { int pid; pid=fork(); if(pid < 0) {exit(-1);} else if(pid==0) { printf("Child Process is Sleeping ..."); sleep(10); printf("Orphan Child's Parent ID : %u ",getppid()); } else { printf("Parent Process Completed ... %u ",getpid()); exit(0); } return 0; } Output:

1 2327

Un-Answered Questions { Operating Systems }

What is the latest version of google browser?

1189

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

963

What does it cost to upgrade to windows 10?

910

What is the latest linux kernel?

1018

How to take backup using active directory recyclebin concept

2320

How do I add a google account to windows 10?

901

Are you in or at the office?

1183

What is the latest version of linux?

1010

Can anybody send me Excel tips and improtant formul...... please.

2095

what's the latest ram lunch?

2715

what is the gate of ftp server in redhat linux?

1981

For the following COBOL code, draw the Binary tree? 01 STUDENT_REC. 02 NAME. 03 FIRST_NAME PIC X(10). 03 LAST_NAME PIC X(10). 02 YEAR_OF_STUDY. 03 FIRST_SEM PIC XX. 03 SECOND_SEM PIC XX.

1372

How does registry work wedding?

873

what is gr-edge edit?

2205

What is the next version of windows after 10?

961

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