CS604-Midterm
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-------- command gives a snapshot of the current processes.
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Operating system enables the user to use the Hardware Resources.
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A semaphore that cause Busy-Waiting is termed as .
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Linux uses ___________ directory to store system configuration files.
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A process consists of __________
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_________________ scheduling allows a process to move between queues.
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The process of switching from one process to another is called ---------------.
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This condition is known as ______________.
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Current working directory can be accessed using --------- Command.
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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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What do we name to an address that is loaded into the memory-address register of the memory?
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The main characteristic of a Real time system is
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In ________addressing, the recipient is not required to name the sender.
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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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The Top-down view is that it is a program that acts as an intermediary between a user of a computer and the computer hardware, and makes the computer system convenient to use.
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____ is a virtual directory in Linux and Unix.
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Hardware provide basic computing resource.
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The -------------- system call suspends the calling process.
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___________ is used in real time operating systems.
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________ scheduling algorithm is sometimes called shortest remaining time first scheduling algorithm.
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Command-line interpreter is also called __________ in some operating systems.
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________ determines What will be done.
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The critical section problem can be solved by the following except
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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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Bounded Buffer is a buffer of ____________ size
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The priority of a process can be changed using ___________ command.
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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.
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Mach, MacOS X Server, QNX, OS/2 and Windows NT are examples of OS Based on ______.
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The following requirement for solving critical section problem is known as ______. “There exists a bound on the number of times that other processes are allowed to enter their critical sections after a process has made a request to enter its critical section and before that request is granted.”
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_______ is also called Swapper.
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I/O instructions are Privileged Instructions.
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POSIX is a standard developed by ANSI
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You can display all of the signals supported by your system, along with their numbers, by using the -----------command
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A pathname is the list of directories separated by _________.
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The bottom layer in the layered approach of Operating System is-----------
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A system call________
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____ command display the status of a process.
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___________ is a solution to the problem of indefinite blockage of low-priority processes.
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DOS is single user operating system.
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Preventing a condition of ________ to happen, deadlocks can be prevented to happen.
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__________ displays information about the top processes.
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Preemptive ----------------scheduling is sometimes called shortestremaining-time-first scheduling.
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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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The interval from the time of submission to the time of completion is the ______
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Files that start with a -------- in UNIX/Linux directory structure are known as hidden files .
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_____ system call is used to write to a file or FIFO or any other IPC channel.
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In ---------addressing; the recipient is not required to name the sender.
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The Purpose of Operating System is to generate Executable Programs and to _______ them.
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In Unix/ Linux, by default the standard input file is attached to the ___________
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