CS604 Midterm Online Quiz

Which part of the computer system helps in managing the file and memory management system?

___________ is used in real time operating systems.

____ command gives a snapshot of the current processes.

____ command display the status of a process.

A major problem with priority scheduling algorithms is ______.

DOS is single user operating system.

Progress and Bounded Waiting are some of the characteristics to solve the critical section problems.

Linux uses ___________ directory to store system configuration files.

When process opens its first file explicitly it will get descriptor number ______

copy file1 file2 is an example of ______ OS view.

Using _________system, we can create a new process in Linux.

If a system is not in a safe state, there can be No deadlocks.

_________ command to resume the execution of a suspended job in the foreground

We can install and run multiple OS by using VMWare.

An operating system is a control program that manages the execution of user programs to prevent errors and improper use of a computer.

__________ commands in Linux is used to copy file

The creating process is called a--------------- process while the new processes are called the -------------- of that process

A time sharing system is

The following is NOT a classical problem of synchronization  

The process id returned to the child process after successful fork system call execution is _____________.

OS helps manages the following except

Cache is non-volatile memory.

You can use the ---------command in UNIX to create a directory.

The main characteristic of a Real time system is

The Purpose of Operating System is to generate Executable Programs and to _______ them.

rm and [r]mkdir commands are used to _____________ directory.

The procedure “The time at which the process finished working MINUS the arrival time of the process MINUS CPU burst for that process” will help calculate the _________.

Linux is a version of _______ operating system.

Binary semaphores are those that have only two values---------

Round Robin algorithm is similar to ____________ scheduling but preemption is added to switch between processes.

The priorities of processes in the __________ group remain fixed.

Linux Treats Devices as Files.

If the system can allocate resources to each process in some order and still avoid a deadlock then it said to be in ______ state.

The basic purpose of ________________is to help the users to utilize the hardware resources for completing different tasks in a simplified manner

/usr/X11R6 is used by the X Window System.

The priority of a process can be changed using ___________ command.

The process of holding at least one resource and waiting to acquire additional resources that are currently being held by other processes is known as________.  

__________ displays information about the top processes.

I/O instructions are Privileged Instructions.

Bounded Buffer is a buffer of ____________ size

__________ directory includes essential system boot files including the kernel image.

You can use the rm file1 command to __________ file1

Hardware provide basic computing resource.

The Shortest-Job-First Scheduling algorithm can be

First _______ entries in Per Process File Descriptor Table are used as soon as the process is created.

A pathname is the list of directories separated by _________.

In deadlock detection and recovery algorithm, a deadlock exists in the system if and only if the wait for graph contains a _____________

In Resource Allocation Graph, A _______ Pi →Rj indicates that process Pi may request resource Rj at some time in the future.

You can use the ------------- command to display the status of suspended and background processes

The following requirement for solving critical section problem is known as ______. “There exists a bound on the number of times that other processes are allowed to enter their critical sections after a process has made a request to enter its critical section and before that request is granted.”