CS604-Midterm
1 / 50
In Unix/ Linux, by default the standard input file is attached to the ___________
2 / 50
OS helps manages the following except
3 / 50
The critical section problem can be solved by the following except
4 / 50
_____ system call is used to write to a file or FIFO or any other IPC channel.
5 / 50
A system call________
6 / 50
The nice value helps in assigning ______ to a process.
7 / 50
_______ is also called Swapper.
8 / 50
Linux is a version of _______ operating system.
9 / 50
In deadlock detection and recovery algorithm, a deadlock exists in the system if and only if the wait for graph contains a _____________
10 / 50
_________ command to resume the execution of a suspended job in the foreground
11 / 50
Which register holds the smallest legal physical memory address for a process?
12 / 50
The manual pages can be read in Linux using ____ command.
13 / 50
User Goal of OS is that It easy to use, reliable, safe and fast.
14 / 50
A dashed line is used to represent a _________ in Resource Allocation Graph.
15 / 50
The bottom layer in the layered approach of Operating System is-----------
16 / 50
DOS is single user operating system.
17 / 50
The _______ are used for communication between related or unrelated processes on the same system or unrelated processes on different systems.
18 / 50
In ---------addressing; the recipient is not required to name the sender.
19 / 50
You can use the rm file1 command to __________ file1
20 / 50
Preventing a condition of ________ to happen, deadlocks can be prevented to happen.
21 / 50
Shared libraries and kernel modules are stored in directory
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___________ algorithm is used in Deadlock avoidance.
23 / 50
All threads within a process share the ________ address space.
24 / 50
Managing Secondary Storage Involves all of the Following except
25 / 50
____ command display the status of a process.
26 / 50
_____________ is the basis of queuing theory which is branch of mathematics used to analyze systems involving queues and servers.
27 / 50
Current working directory can be accessed using --------- Command.
28 / 50
___________ is a solution to the problem of indefinite blockage of low-priority processes.
29 / 50
command displays the contents of current working directory.
30 / 50
31 / 50
The Home Directory for superuser in Linux and Unix is
32 / 50
The condition where a set of blocked processes each holding a resource and waiting to acquire a resource held by another process in the set, is termed as ________.
33 / 50
The process of switching from one process to another is called ---------------.
34 / 50
A pathname is the list of directories separated by _________.
35 / 50
The main characteristic of a Real time system is
36 / 50
First-Come, First-Served (FCFS) is a --------------scheduling algorithm.
37 / 50
Mach, MacOS X Server, QNX, OS/2 and Windows NT are examples of OS Based on ______.
38 / 50
A semaphore that cause Busy-Waiting is termed as .
39 / 50
User mode can run the Privileged instructions.
40 / 50
You can terminate a foreground process by pressing --------------
41 / 50
What do we name to an address that is loaded into the memory-address register of the memory?
42 / 50
Cooperating processes never share any data, code, memory or state.
43 / 50
The bottom-up view is that operating system is a resource manager who manages the hardware and software resources in the computer system.
44 / 50
The integer value of ________semaphores can range over an unrestricted integer domain.
45 / 50
Banker‟s algorithm is used for ________________
46 / 50
The creating process is called a--------------- process while the new processes are called the -------------- of that process
47 / 50
__________ displays information about the top processes.
48 / 50
__________ integer shows the highest priority of a process in CPU scheduling
49 / 50
In Linux directory structure, there is ___________ root directory.
50 / 50
If the system can allocate resources to each process in some order and still avoid a deadlock then it said to be in ______ state.
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