CS604-Midterm
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__________ commands in Linux is used to copy file
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The _______ are used for communication between related or unrelated processes on the same system or unrelated processes on different systems.
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Kernel is responsible for scheduling the user level threads.
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In ________ communication the process which wants to communicate with the other process must explicitly name the recipient and the sender.
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First _______ entries in Per Process File Descriptor Table are used as soon as the process is created.
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Users are the People, machines or computers that uses the Hardware resources.
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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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The major advantage of multi-programming system is
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In Unix/ Linux, by default the standard output file is attached to the ___________
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Database, Complier, Video games are examples of ________.
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_______ is also called Swapper.
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The hardware mechanism that enables a device to notify CPU is called an -------------
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You can create a threads by using the pthread_create() call.
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Mach, MacOS X Server, QNX, OS/2 and Windows NT are examples of OS Based on ______.
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____ is a virtual directory in Linux and Unix.
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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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DOS is single user operating system.
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___________ algorithm is used in Deadlock avoidance.
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A pathname is the list of directories separated by _________.
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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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A major problem with priority scheduling algorithms is ______.
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I MB or 1 megabyte is equivalent to----
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The critical section problem can be solved by the following except
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25 / 50
User mode can run the Privileged instructions.
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Mkfifo() is a _______.
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A program in execution is called a _______________.
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Cooperating processes never share any data, code, memory or state.
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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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You can use the ------------- command to display the status of suspended and background processes
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A process is said to be in critical section if it executes code that manipulates shared data
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In Linux directory structure, there is ___________ root directory.
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-------- command gives a snapshot of the current processes.
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Using _________system, we can create a new process in Linux.
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Linux is a version of _______ operating system.
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In Layered approach of OS, Lowest Layer is known as ________.
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A_______ is an integer variable that, apart from initialization is accessible only through two standard atomic operations: wait and signal.
38 / 50
command displays the contents of current working directory.
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________ scheduling algorithm is sometimes called shortest remaining time first scheduling algorithm.
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When process opens its first file explicitly it will get descriptor number ______
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Current working directory can be accessed using --------- Command.
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The Purpose of Operating System is to generate Executable Programs and to _______ them.
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___________ is a piece of code in a cooperating process in which the process may updates shared data (variable, file, database, etc.).
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POSIX is a standard developed by ANSI
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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 _____
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Which of the following is correct definition for wait operation?
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_____________ is the basis of queuing theory which is branch of mathematics used to analyze systems involving queues and servers.
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In ---------addressing, the recipient is not required to name the sender.
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Which of the following is NOT a Hardware Resource.
50 / 50
__________ scheduler selects the process from the job pool and put them in main memory.
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