CS604-Midterm
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A dashed line is used to represent a _________ in Resource Allocation Graph.
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A 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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Utilities used for system administration (halt, ifconfig, fdisk, etc.) are stored in _____________ directory.
4 / 50
__________ displays information about the top processes.
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In indirect inter process communication, a sender_____mention the name of the recipient.
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Starvation is infinite blocking caused due to unavailability of resources.
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User mode can run the Privileged instructions.
8 / 50
Linux Treats Devices as Files.
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The main characteristic of a Real time system is
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Taking the CPU from one process and giving the CPU to another process is termed as
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When a process opens its first file explicitly it will get descriptor number _________
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command displays the contents of current working directory.
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________ determines What will be done.
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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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You can terminate a foreground process by pressing --------------
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Bounded Buffer is a buffer of ____________ size
17 / 50
The interval from the time of submission to the time of completion is the ______
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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.
19 / 50
Cooperating processes never share any data, code, memory or state.
20 / 50
__________ scheduler selects the process from the job pool and put them in main memory.
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Round Robin algorithm is similar to ____________ scheduling but preemption is added to switch between processes.
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In ________addressing, the recipient is not required to name the sender.
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copy file1 file2 is an example of ______ OS view.
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Binary semaphores are those that have only two values---------
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--------------command to resume the execution of a suspended job in the foreground
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A semaphore that cause Busy-Waiting is termed as .
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Preemptive ----------------scheduling is sometimes called shortestremaining-time-first scheduling.
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A process consists of __________
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Mkfifo() is a _______.
30 / 50
All threads within a process share the ________ address space.
31 / 50
Which of the following is correct definition for wait operation?
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If the fork system call fails, it returns
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In Resource Allocation Graph, A _______ Pi →Rj indicates that process Pi may request resource Rj at some time in the future.
34 / 50
The correct command for compiling C program named program.c in Linux environment is
35 / 50
OS helps manages the following except
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You can use the rm file1 command to __________ file1
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You can display all of the signals supported by your system, along with their numbers, by using the -----------command
38 / 50
In Unix/ Linux, by default the standard output file is attached to the ___________
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The priorities of processes in the __________ group remain fixed.
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The -------------- system call suspends the calling process.
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User Goal of OS is that It easy to use, reliable, safe and fast.
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The hardware mechanism that enables a device to notify CPU is called an -------------
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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.
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________ scheduling algorithm is sometimes called shortest remaining time first scheduling algorithm.
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___________ is used in real time operating systems.
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The major advantage of multi-programming system is
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Operating system enables the user to use the Hardware Resources.
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A solution to the critical section problem must satisfy the following requirements
49 / 50
Batch programs are usually _________ programs.
50 / 50
Files that start with a -------- in UNIX/Linux directory structure are known as hidden files .
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