CS604-Midterm
1 / 50
_____ system call is used to write to a file or FIFO or any other IPC channel.
2 / 50
command displays the contents of current working directory.
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The basic purpose of ________________is to help the users to utilize the hardware resources for completing different tasks in a simplified manner
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Which of the Following is not an Operating System.
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The priority of a process can be changed using ___________ command.
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The scheduling of ______ are done by the operating system.
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You can use the ---------command in UNIX to create a directory.
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The bottom layer in the layered approach of Operating System is-----------
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The bottom-up view is that operating system is a resource manager who manages the hardware and software resources in the computer system.
10 / 50
Linux uses ___________ directory to store system configuration files.
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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 _________.
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Starvation is infinite blocking caused due to unavailability of resources.
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The process of switching from one process to another is called ---------------.
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Operating System provides services such as Managing Primary and Secondary Storage, Processes and Allowing user to manage his/her files and directories.
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In ________ communication the process which wants to communicate with the other process must explicitly name the recipient and the sender.
16 / 50
/usr/X11R6 is used by the X Window System.
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In Layered approach of OS, Lowest Layer is known as ________.
18 / 50
____ command display the status of a process.
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A Process „A‟ that has finished working but its parent process has also finished its execution. In this state the process „A‟ will be called as _____ process.
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The time it takes for the dispatcher to stop one process and start another running is known as the-----------.
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An operating system is a control program that manages the execution of user programs to prevent errors and improper use of a computer.
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Database, Complier, Video games are examples of ________.
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___________ is a solution to the problem of indefinite blockage of low-priority processes.
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In ________addressing, the recipient is not required to name the sender.
25 / 50
------------ register contains the size of the process
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A dashed line is used to represent a _________ in Resource Allocation Graph.
27 / 50
The nice value helps in assigning ______ to a process.
28 / 50
The major advantage of multi-programming system is
29 / 50
/opt is used for storage of large applications.
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The creating process is called a--------------- process while the new processes are called the -------------- of that process
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Round Robin algorithm is similar to ____________ scheduling but preemption is added to switch between processes.
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__________ commands in Linux is used to copy file
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If the system can allocate resources to each process in some order and still avoid a deadlock then it said to be in ______ state.
34 / 50
A time sharing system is
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Mkfifo() is a _______.
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A ---------------- (or an exception) is a software-generated interrupt caused either by an error (division by zero or invalid memory access) or by a user request for an operating system service.
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The ________ requires that once a writer is ready, that writer performs its write as soon as possible , if a writer waiting to access the object, no new readers may start reading.
38 / 50
If your processor does not have two slots empty in Per Process File Descriptor Table, then your _________ system call will fail.
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copy file1 file2 is an example of ______ OS view.
40 / 50
The Home Directory for superuser in Linux and Unix is
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Users are the People, machines or computers that uses the Hardware resources.
42 / 50
The critical section problem can be solved by the following except
43 / 50
You can use the ------------- command to display the status of suspended and background processes
44 / 50
____ is a virtual directory in Linux and Unix.
45 / 50
The following is NOT a classical problem of synchronization
46 / 50
Preventing a condition of ________ to happen, deadlocks can be prevented to happen.
47 / 50
First _______ entries in Per Process File Descriptor Table are used as soon as the process is created.
48 / 50
________ scheduling algorithm is sometimes called shortest remaining time first scheduling algorithm.
49 / 50
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________.
50 / 50
_____________ determines How to do something.
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