CS604-Midterm
1 / 50
_______ is also called Swapper.
2 / 50
The interval from the time of submission to the time of completion is the ______
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I MB or 1 megabyte is equivalent to----
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Binary semaphores are those that have only two values---------
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The manual pages can be read in Linux using ____ command.
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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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All threads within a process share the ________ address space.
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_________________ scheduling allows a process to move between queues.
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Mach, MacOS X Server, QNX, OS/2 and Windows NT are examples of OS Based on ______.
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Files that start with a -------- in UNIX/Linux directory structure are known as hidden files .
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A process consists of __________
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The process id returned to the child process after successful fork system call execution is _____________.
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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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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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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.
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Mkfifo() is a _______.
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Shared libraries and kernel modules are stored in directory
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A time sharing system is
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-------- command gives a snapshot of the current processes.
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/usr/X11R6 is used by the X Window System.
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The process of switching from one process to another is called ---------------.
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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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You can create a threads by using the pthread_create() call.
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In Unix/ Linux, by default the standard input file is attached to the ___________
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The main characteristic of a Real time system is
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A semaphore that cause Busy-Waiting is termed as ___________.
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The critical section problem can be solved by the following except
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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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In Linux directory structure, there is ___________ root directory.
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I/O instructions are Privileged Instructions.
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The bottom layer in the layered approach of Operating System is-----------
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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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The returned code to the child process after successful fork system call execution is
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Which of the following is correct definition for wait operation?
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A dashed line is used to represent a _________ in Resource Allocation Graph.
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The hardware mechanism that enables a device to notify CPU is called an -------------
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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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Preemptive ----------------scheduling is sometimes called shortestremaining-time-first scheduling.
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OS helps manages the following except
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A_______ is an integer variable that, apart from initialization is accessible only through two standard atomic operations: wait and signal.
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Each page is a power of -------- bytes long in paging scheme.
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We can install and run multiple OS by using VMWare.
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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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DOS is single user operating system.
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Kernel is responsible for scheduling the user level threads.
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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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The -------------- system call suspends the calling process.
49 / 50
In indirect inter process communication, a sender ________ mention the name of the recipient.
50 / 50
You can display the contents (names of files and directories) of a directory in UNIX/Linux directory structure with the --------------- command.
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