Device management is another major function of an operating system. In the device management task of the operating is to manage I/O and storage devices such as printers, card readers, tapes, disk and supporting devices such as the control unit and control channel. The major tasks of the operating system with respect to device management …
Which of the following is not a file allocation strategy?
int shared=1; //shared variable
sem_t s; //semaphore variable
int main()
{
sem_init(&s,0,1)
Resource Allocation graph technique is used for deadlock avoidance when there is a single instance of every resource. In resource allocation graph for
The capacity of any disk is limited (e.g., 500 GB, 1TB etc.). Thus, to accommodate our new files, the space freed by deleted files is reused by the system by maintaining a free-space list.
An orphan process is a process whose parent has finished. Suppose P1 and P2 are two process such that P1 is the parent process and P2
In deadlock avoidance, the operating system is provided with extra information related to all resources any process will require during its lifetime.
We all save our files in the hard disk. To make the maximum out of the disk we space the files have to be stored in an efficient manner.
File management is another important function of an operating system. File management is necessary so that the operating system can map files onto physical devices
There is a family of function which can be used for replacing the current process with a new process. They differ in the number of arguments and the way they start a new process. The various functions are execl, execlp, execle, execv and execvp. In this post we will write a Program to replace process image using execl( …