CS604-Midterm
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____ command display the status of a process.
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The Home Directory for superuser in Linux and Unix is
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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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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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A dashed line is used to represent a _________ in Resource Allocation Graph.
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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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_________buffer places no practical limit on the size of the buffer
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The critical section problem can be solved by the following except
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In Linux directory structure, there is ___________ root directory.
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command displays the contents of current working directory.
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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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Using _________system, we can create a new process in Linux.
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A parent process calling __________ system call will be suspended until children process terminates.
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-------- command gives a snapshot of the current processes.
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Hardware provide basic computing resource.
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The Shortest-Job-First Scheduling algorithm can be
18 / 50
In indirect inter process communication, a sender_____mention the name of the recipient.
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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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___________ is used in real time operating systems.
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Banker‟s algorithm is used for ________________
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If the fork system call fails, it returns
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In ---------addressing, the recipient is not required to name the sender.
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A major problem with priority scheduling algorithms is ______.
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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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Shared libraries and kernel modules are stored in directory
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You can display all of the signals supported by your system, along with their numbers, by using the -----------command
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In ________addressing, the recipient is not required to name the sender.
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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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The procedure “The time at which the process finished working MINUS the arrival time of the process MINUS CPU burst for that process” will help calculate the _________.
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Which of the following is correct definition for wait operation?
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--------------command to resume the execution of a suspended job in the foreground
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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 ---------------- (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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The integer value of ________semaphores can range over an unrestricted integer domain.
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The returned code to the child process after successful fork system call execution is
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------------has a hierarchical file system structure.
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The Operating system is a layer of software between _________ and ___________.
40 / 50
The correct command for compiling C program named program.c in Linux environment is
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copy file1 file2 is an example of ______ OS view.
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Batch programs are usually _________ programs.
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A solution to the critical section problem must satisfy the following requirements
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The manual pages can be read in Linux using ____ command.
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When a process opens its first file explicitly it will get descriptor number _________
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------------ register contains the size of the process
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The execution of critical sections must NOT be mutually exclusive
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Which of the following is NOT a Hardware Resource.
49 / 50
First _______ entries in Per Process File Descriptor Table are used as soon as the process is created.
50 / 50
The process of switching from one process to another is called ---------------.
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