CS604-Midterm
1 / 50
__________ displays information about the top processes.
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If a system is not in a safe state, there can be No deadlocks.
3 / 50
Preemptive ----------------scheduling is sometimes called shortestremaining-time-first scheduling.
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Files that start with a -------- in UNIX/Linux directory structure are known as hidden files .
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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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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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The bottom layer in the layered approach of Operating System is-----------
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Utilities used for system administration (halt, ifconfig, fdisk, etc.) are stored in _____________ directory.
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Mach, MacOS X Server, QNX, OS/2 and Windows NT are examples of OS Based on ______.
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copy file1 file2 is an example of ______ OS view.
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Command-line interpreter is also called __________ in some operating systems.
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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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In indirect inter process communication, a sender_____mention the name of the recipient.
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__________ scheduler selects the process from the job pool and put them in main memory.
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16 / 50
All threads within a process share the ________ address space.
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A semaphore that cause Busy-Waiting is termed as .
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In ---------addressing; the recipient is not required to name the sender.
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Operating system enables the user to use the Hardware Resources.
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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 the fork system call fails, it returns
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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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Starvation is infinite blocking caused due to unavailability of resources.
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When process opens its first file explicitly it will get descriptor number ______
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__________ commands in Linux is used to copy file
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In Unix/ Linux, by default the standard output file is attached to the ___________
27 / 50
Preventing a condition of ________ to happen, deadlocks can be prevented to happen.
28 / 50
I/O instructions are Privileged Instructions.
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You can use the ---------command in UNIX to create a directory.
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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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User Goal of OS is that It easy to use, reliable, safe and fast.
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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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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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Batch programs are usually _________ programs.
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The number of processes completed per unit time is called ___________.
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The execution of critical sections must NOT be mutually exclusive
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The process of holding at least one resource and waiting to acquire additional resources that are currently being held by other processes is known as________.
38 / 50
Using _________system, we can create a new process in Linux.
39 / 50
_________buffer places no practical limit on the size of the buffer
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Operating System is the Manager of Hardware Resources.
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In indirect inter process communication, a sender ________ mention the name of the recipient.
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A semaphore that cause Busy-Waiting is termed as ___________.
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A system call________
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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 an integer variable accessible through wait and signal which are atomic operations.
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Managing Secondary Storage Involves all of the Following except
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The priority of a process can be changed using ___________ command.
48 / 50
You can use the rm file1 command to __________ file1
49 / 50
Taking the CPU from one process and giving the CPU to another process is termed as
50 / 50
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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