CS604-Midterm
1 / 50
You can use the rm file1 command to __________ file1
2 / 50
The nice value helps in assigning ______ to a process.
3 / 50
The basic purpose of ________________is to help the users to utilize the hardware resources for completing different tasks in a simplified manner
4 / 50
User Goal of OS is that It easy to use, reliable, safe and fast.
5 / 50
_____ system call is used to write to a file or FIFO or any other IPC channel.
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A_______ is an integer variable that, apart from initialization is accessible only through two standard atomic operations: wait and signal.
7 / 50
The Home Directory for superuser in Linux and Unix is
8 / 50
First _______ entries in Per Process File Descriptor Table are used as soon as the process is created.
9 / 50
You can create a threads by using the pthread_create() call.
10 / 50
copy file1 file2 is an example of ______ OS view.
11 / 50
_____________ is a preemptive scheduling algorithm.
12 / 50
In ________ communication the process which wants to communicate with the other process must explicitly name the recipient and the sender.
13 / 50
Physical memory is broken down into fixed-sized blocks, called----------- and Logical memory is divided into blocks of the same size, called -----------
14 / 50
________ scheduling algorithm is sometimes called shortest remaining time first scheduling algorithm.
15 / 50
_________ command to resume the execution of a suspended job in the foreground
16 / 50
A semaphore that cause Busy-Waiting is termed as .
17 / 50
You can display all of the signals supported by your system, along with their numbers, by using the -----------command
18 / 50
Files that start with a -------- in UNIX/Linux directory structure are known as hidden files .
19 / 50
Bounded Buffer is a buffer of ____________ size
20 / 50
The Operating system is a layer of software between _________ and ___________.
21 / 50
______scheduler selects the process from the job pool and put them in main memory.
22 / 50
In ---------addressing; the recipient is not required to name the sender.
23 / 50
The performance of Round Robin algorithm does NOT depends heavily on the size of the time quantum.
24 / 50
All threads within a process share the ________ address space.
25 / 50
The returned code to the child process after successful fork system call execution is
26 / 50
In Layered approach of OS, Lowest Layer is known as ________.
27 / 50
-------- command gives a snapshot of the current processes.
28 / 50
We can install and run multiple OS by using VMWare.
29 / 50
Using _________system, we can create a new process in Linux.
30 / 50
A process is said to be in critical section if it executes code that manipulates shared data
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A parent process calling __________ system call will be suspended until children process terminates.
32 / 50
In Layered Approach of OS, the Layer highest Layer is User Interface layer.
33 / 50
___________ is a solution to the problem of indefinite blockage of low-priority processes.
34 / 50
POSIX is a standard developed by ANSI
35 / 50
Which of the following is NOT a Hardware Resource.
36 / 50
The address generated by the CPU, after any indexing or other addressing-mode arithmetic, is called a --------address, and the address it gets translated to by the MMU is called a ---------address.
37 / 50
Each page is a power of -------- bytes long in paging scheme.
38 / 50
The correct command for compiling C program named program.c in Linux environment is
39 / 50
A major problem with priority scheduling algorithms is ______.
40 / 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.
41 / 50
Preemptive ----------------scheduling is sometimes called shortestremaining-time-first scheduling.
42 / 50
The bottom layer in the layered approach of Operating System is-----------
43 / 50
Hardware provide basic computing resource.
44 / 50
____ command display the status of a process.
45 / 50
Current working directory can be accessed using --------- Command.
46 / 50
In indirect inter process communication, a sender_____mention the name of the recipient.
47 / 50
A time sharing system is
48 / 50
What do we name to an address that is loaded into the memory-address register of the memory?
49 / 50
The time it takes for the dispatcher to stop one process and start another running is known as the-----------.
50 / 50
_______ is also called Swapper.
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