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Operating Systems Interview Questions
Questions Answers Views Company eMail

in unix profile contains

BFL,

1 9272

in unix echo is used for

BFL, BirlaSoft, Patni,

10 28762

Which of following is used for back-up files? (a) compress (b) Tar (c) make (d) all the above

Cadence,

1 5773

what does find command do ?

Cadence,

3 9181

The UNIX shell is.... a).does not come with the rest of the system b).forms the interface between the user and the kernal c) does not give any scope for programming d) deos not allow calling one program from with in another e) all of the above

IBM,

2 13720

The very first process created by the kernal that runs till the kernal process is haltes is

IBM,

6 18149

In the process table entry for the kernel process, the process id value is a) 0 b) 1 c) 2 d) 255 e) it does not have a process table entry

Aspire, IBM, Saigun Technologies,

4 23411

Which of the following API is used to hide a window a) ShowWindow b) EnableWindow c) MoveWindow d) SetWindowPlacement e)None of the above

IBM,

2 20807

The command grep first second third /usr/you/myfile a) prints lines containing the words first, second or third from the file /usr/you/myfile b) searches for lines containing the pattern first in the files second, third, and /usr/you/myfile and prints them c) searches the files /usr/you/myfiel and third for lines containing the words first or second and prints them d) replaces the word first with the word second in the files third and /usr/you/myfile e) None of the above

IBM,

4 15241

Windows NT- What NT stands for?

Mascot,

9 16509

One Gigabyte =?( 2 power30 , 2 power 20 ,2 power 10 none)

Mascot,

4 11778

DMA - abbrevation (Direct Memory Access,Discrete memory Access,Disk memoryaccess)

Mascot,

4 7737

what is FAT?.

Campus Interview, Mascot, MIS, Nile Bank,

12 21121

interprocess command in unix be achieved by a)pipes b)messages c)semaphores d)shared memory e)all

Mascot,

2 8123

How does the scheduler know the time how it should be scheduled.

Motorola,

1 8264


Un-Answered Questions { Operating Systems }

What is a swap space?

879


What do you mean by Logical Error

1037


Why is 64 bit called x86?

976


Can you upgrade windows xp to windows vista?

803


How do I find a file path on a mac?

1006


How do I change drives in dos?

560


What's the shortcut?

904


How do I compare two binary files?

927


How do I open a dos window?

498


Now you are given an array of a characters (both ASCII and Kanji) and, an index into the array. The index points to the start of some character. Now you need to write a function to do a backspace (i.e. delete the character before the given index).

929


Does hair grow back thicker after threading?

794


How do I find the process id in linux?

1042


Why you need a data structure?

1085


What is unix structure?

957


What are the functions of a linux operating system?

951