CS604-Midterm
1 / 50
In Linux directory structure, there is ___________ root directory.
2 / 50
Mkfifo() is a _______.
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A semaphore that cause Busy-Waiting is termed as ___________.
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Swapper is also termed as Short term scheduler.
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/opt is used for storage of large applications.
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Cooperating processes never share any data, code, memory or state.
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Operating System is the Manager of Hardware Resources.
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I MB or 1 megabyte is equivalent to----
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Preventing a condition of ________ to happen, deadlocks can be prevented to happen.
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_____________ is a preemptive scheduling algorithm.
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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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A pathname is the list of directories separated by _________.
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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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__________ displays information about the top processes.
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Starvation is infinite blocking caused due to unavailability of resources.
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Files that start with a -------- in UNIX/Linux directory structure are known as hidden files .
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The _______ are used for communication between related or unrelated processes on the same system or unrelated processes on different systems.
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Taking the CPU from one process and giving the CPU to another process is termed as
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The manual pages can be read in Linux using ____ command.
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In deadlock detection and recovery algorithm, a deadlock exists in the system if and only if the wait for graph contains a _____________
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In ---------addressing; the recipient is not required to name the sender.
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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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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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Utilities used for system administration (halt, ifconfig, fdisk, etc.) are stored in _____________ directory.
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The execution of critical sections must NOT be mutually exclusive
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A semaphore that cause Busy-Waiting is termed as .
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Progress and Bounded Waiting are some of the characteristics to solve the critical section problems.
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The -----------scheme is not applicable to a resource allocation system with multiple instances of each resource type.
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Which of the following is correct definition for wait operation?
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The number of processes completed per unit time is called ___________.
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________________ is an integer variable accessible through wait and signal which are atomic operations.
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Current working directory can be accessed using --------- Command.
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I/O instructions are Privileged Instructions.
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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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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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Banker‟s algorithm is used for ________________
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Linux is a version of _______ operating system.
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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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Batch programs are usually _________ programs.
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Database, Complier, Video games are examples of ________.
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In Layered Approach of OS, the Layer highest Layer is User Interface layer.
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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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When a process opens its first file explicitly it will get descriptor number _________
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The following is NOT a classical problem of synchronization
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_______ is also called Swapper.
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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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_____________ determines How to do something.
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A_____ is an abstract key for accessing a file.
50 / 50
The returned code to the child process after successful fork system call execution is
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