CS604-Midterm
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In Unix/ Linux, by default the standard output file is attached to the ___________
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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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If a system is not in a safe state, there can be No deadlocks.
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The bottom layer in the layered approach of Operating System is-----------
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Which of the following is NOT a Hardware Resource.
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I/O instructions are Privileged Instructions.
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When a process opens its first file explicitly it will get descriptor number _________
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The Purpose of Operating System is to generate Executable Programs and to _______ them.
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A parent process calling __________ system call will be suspended until children process terminates.
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In indirect inter process communication, a sender_____mention the name of the recipient.
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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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A process is said to be in critical section if it executes code that manipulates shared data
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_______ is also called Swapper.
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When process opens its first file explicitly it will get descriptor number ______
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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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/usr/X11R6 is used by the X Window System.
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The hardware mechanism that enables a device to notify CPU is called an -------------
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You can terminate a foreground process by pressing --------------
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Operating system enables the user to use the Hardware Resources.
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___________ is a solution to the problem of indefinite blockage of low-priority processes.
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Using _________system, we can create a new process in Linux.
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____ command gives a snapshot of the current processes.
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___________ algorithm is used in Deadlock avoidance.
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n-process critical section problem can be solved by using
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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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__________ commands in Linux is used to copy file
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If the fork system call fails, it returns
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The -------------- system call suspends the calling process.
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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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____ command display the status of a process.
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Progress and Bounded Waiting are some of the characteristics to solve the critical section problems.
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In Linux directory structure, there is ___________ root directory.
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The Shortest-Job-First Scheduling algorithm can be
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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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Mach, MacOS X Server, QNX, OS/2 and Windows NT are examples of OS Based on ______.
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________ scheduling algorithm is sometimes called shortest remaining time first scheduling algorithm.
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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 piece of code in a cooperating process in which the process may updates shared data (variable, file, database, etc.).
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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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The creating process is called a--------------- process while the new processes are called the -------------- of that process
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The integer value of ________semaphores can range over an unrestricted integer domain.
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Users are the People, machines or computers that uses the Hardware resources.
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In Unix/ Linux, by default the standard input file is attached to the ___________
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A_____ is an abstract key for accessing a file.
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--------------command to resume the execution of a suspended job in the foreground
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The major advantage of multi-programming system is
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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 main characteristic of a Real time system is
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