CS604-Midterm
1 / 50
Utilities used for system administration (halt, ifconfig, fdisk, etc.) are stored in _____________ directory.
2 / 50
command displays the contents of current working directory.
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In indirect inter process communication, a sender ________ mention the name of the recipient.
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Operating system enables the user to use the Hardware Resources.
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The priority of a process can be changed using ___________ command.
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Starvation is infinite blocking caused due to unavailability of resources.
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Using _________system, we can create a new process in Linux.
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The process id returned to the child process after successful fork system call execution is _____________.
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The -------------- system call suspends the calling process.
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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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First-Come, First-Served (FCFS) is a --------------scheduling algorithm.
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Kernel is responsible for scheduling the user level threads.
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When a process opens its first file explicitly it will get descriptor number _________
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A dashed line is used to represent a _________ in Resource Allocation Graph.
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Preemptive ----------------scheduling is sometimes called shortestremaining-time-first scheduling.
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Mach, MacOS X Server, QNX, OS/2 and Windows NT are examples of OS Based on ______.
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Operating System is the Manager of Hardware Resources.
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In Unix/ Linux, by default the standard output file is attached to the ___________
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Which of the following is correct definition for wait operation?
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copy file1 file2 is an example of ______ OS view.
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Taking the CPU from one process and giving the CPU to another process is termed as
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n-process critical section problem can be solved by using
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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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In Unix/ Linux, by default the standard input file is attached to the ___________
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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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In ________addressing, the recipient is not required to name the sender.
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Files that start with a -------- in UNIX/Linux directory structure are known as hidden files .
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The process of switching from one process to another is called ---------------.
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The basic purpose of ________________is to help the users to utilize the hardware resources for completing different tasks in a simplified manner
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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 returned code to the child process after successful fork system call execution is
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A major problem with priority scheduling algorithms is ______.
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------------has a hierarchical file system structure.
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The Purpose of Operating System is to generate Executable Programs and to _______ them.
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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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A time sharing system is
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_________buffer places no practical limit on the size of the buffer
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A parent process calling __________ system call will be suspended until children process terminates.
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A system call________
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Shared libraries and kernel modules are stored in directory
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A semaphore that cause Busy-Waiting is termed as .
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User Goal of OS is that It easy to use, reliable, safe and fast.
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Which register holds the smallest legal physical memory address for a process?
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You can use the ---------command in UNIX to create a directory.
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Physical memory is broken down into fixed-sized blocks, called----------- and Logical memory is divided into blocks of the same size, called -----------
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-------- command gives a snapshot of the current processes.
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A_____ is an abstract key for accessing a file.
48 / 50
A process is said to be in critical section if it executes code that manipulates shared data
49 / 50
If the fork system call fails, it returns
50 / 50
Binary semaphores are those that have only two values---------
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