CS604-Midterm
1 / 50
Round Robin algorithm is similar to ____________ scheduling but preemption is added to switch between processes.
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The Home Directory for superuser in Linux and Unix is
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/opt is used for storage of large applications.
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________ determines What will be done.
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The bottom layer in the layered approach of Operating System is-----------
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The priorities of processes in the __________ group remain fixed.
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A pathname is the list of directories separated by _________.
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An absolute pathname starts with the root directory (/) and a relative pathname starts with your home directory.
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_____________ determines How to do something.
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A dashed line is used to represent a _________ in Resource Allocation Graph.
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A Process that has finished working, as well as its parent process has also finished its execution. In this state the process A will be called as _________ process.
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__________ commands in Linux is used to copy file
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-------- command gives a snapshot of the current processes.
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Each process must first request permission to enter its critical section. The section of code implementing this request is called the _____
15 / 50
OS helps manages the following except
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------------ register contains the size of the process
17 / 50
Linux is a version of _______ operating system.
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When a process opens its first file explicitly it will get descriptor number _________
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A program in execution is called a _______________.
20 / 50
___________ is used in real time operating systems.
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The priority of a process can be changed using ___________ command.
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In Layered approach of OS, Lowest Layer is known as ________.
23 / 50
__________ directory includes essential system boot files including the kernel image.
24 / 50
/usr/X11R6 is used by the X Window System.
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Banker‟s algorithm is used for ________________
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_____ system call is used to write to a file or FIFO or any other IPC channel.
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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 ________.
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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.
29 / 50
Utilities used for system administration (halt, ifconfig, fdisk, etc.) are stored in _____________ directory.
30 / 50
Which of the following is correct definition for wait operation?
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The manual pages can be read in Linux using ____ command.
32 / 50
Starvation is infinite blocking caused due to unavailability of resources.
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________ scheduling algorithm is sometimes called shortest remaining time first scheduling algorithm.
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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.
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n-process critical section problem can be solved by using
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_________ command to resume the execution of a suspended job in the foreground
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The number of processes completed per unit time is called ___________.
38 / 50
The time it takes for the dispatcher to stop one process and start another running is known as the-----------.
39 / 50
40 / 50
Which of the following is NOT a Hardware Resource.
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____ command display the status of a process.
42 / 50
The correct command for compiling C program named program.c in Linux environment is
43 / 50
Which register holds the smallest legal physical memory address for a process?
44 / 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.
45 / 50
_________buffer places no practical limit on the size of the buffer
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Operating System is the Manager of Hardware Resources.
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Which of the Following is not an Operating System.
48 / 50
You can display all of the signals supported by your system, along with their numbers, by using the -----------command
49 / 50
A semaphore that cause Busy-Waiting is termed as ___________.
50 / 50
A major problem with priority scheduling algorithms is ______.
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