CS604-Midterm
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The execution of critical sections must NOT be mutually exclusive
2 / 50
The Shortest-Job-First Scheduling algorithm can be
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The critical section problem can be solved by the following except
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A major problem with priority scheduling algorithms is ______.
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In Linux directory structure, there is ___________ root directory.
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________ determines What will be done.
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When a process opens its first file explicitly it will get descriptor number _________
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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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The process of switching from one process to another is called ---------------.
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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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_____________ is a preemptive scheduling algorithm.
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A semaphore that cause Busy-Waiting is termed as ___________.
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The Purpose of Operating System is to generate Executable Programs and to _______ them.
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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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If the fork system call fails, it returns
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An operating system is a control program that manages the execution of user programs to prevent errors and improper use of a computer.
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_________________ scheduling allows a process to move between queues.
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____ is a virtual directory in Linux and Unix.
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Starvation is infinite blocking caused due to unavailability of resources.
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Command-line interpreter is also called __________ in some operating systems.
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/usr/X11R6 is used by the X Window System.
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Cache is non-volatile memory.
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Linux is a version of _______ operating system.
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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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Binary semaphores are those that have only two values---------
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Which part of the computer system helps in managing the file and memory management system?
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In Layered approach of OS, Lowest Layer is known as ________.
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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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In indirect inter process communication, a sender ________ mention the name of the recipient.
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A Process „A‟ that has finished working but its parent process has also finished its execution. In this state the process „A‟ will be called as _____ process.
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------------ register contains the size of the process
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DOS is single user operating system.
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_______ is also called Swapper.
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If the system can allocate resources to each process in some order and still avoid a deadlock then it said to be in ______ state.
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Operating System is the Manager of Hardware Resources.
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The process id returned to the child process after successful fork system call execution is _____________.
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POSIX is a standard developed by ANSI
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_________ command to resume the execution of a suspended job in the foreground
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-------- command gives a snapshot of the current processes.
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User Goal of OS is that It easy to use, reliable, safe and fast.
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Progress and Bounded Waiting are some of the characteristics to solve the critical section problems.
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_____________ determines How to do something.
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You can use the ---------command in UNIX to create a directory.
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A process consists of __________
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All threads within a process share the ________ address space.
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I MB or 1 megabyte is equivalent to----
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The following is NOT a classical problem of synchronization
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The manual pages can be read in Linux using ____ command.
49 / 50
An absolute pathname starts with the root directory (/) and a relative pathname starts with your home directory.
50 / 50
The bottom layer in the layered approach of Operating System is-----------
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