CS604-Midterm
1 / 50
This condition is known as ______________.
2 / 50
The -------------- system call suspends the calling process.
3 / 50
Preventing a condition of ________ to happen, deadlocks can be prevented to happen.
4 / 50
Operating System is the Manager of Hardware Resources.
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____ is a virtual directory in Linux and Unix.
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DOS is single user operating system.
7 / 50
____ command display the status of a process.
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------------has a hierarchical file system structure.
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Shared libraries and kernel modules are stored in directory
10 / 50
Each process must first request permission to enter its critical section. The section of code implementing this request is called the _____
11 / 50
The -----------scheme is not applicable to a resource allocation system with multiple instances of each resource type.
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Files that start with a -------- in UNIX/Linux directory structure are known as hidden files .
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Hardware provide basic computing resource.
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The execution of critical sections must NOT be mutually exclusive
15 / 50
Using _________system, we can create a new process in Linux.
16 / 50
________________ is an integer variable accessible through wait and signal which are atomic operations.
17 / 50
Which register holds the smallest legal physical memory address for a process?
18 / 50
The process id returned to the child process after successful fork system call execution is _____________.
19 / 50
The integer value of ________semaphores can range over an unrestricted integer domain.
20 / 50
The critical section problem can be solved by the following except
21 / 50
Batch programs are usually _________ programs.
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____ command gives a snapshot of the current processes.
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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.).
24 / 50
The main characteristic of a Real time system is
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rm and [r]mkdir commands are used to _____________ 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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The Operating system is a layer of software between _________ and ___________.
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You can create a threads by using the pthread_create() call.
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Mkfifo() is a _______.
30 / 50
You can use the ---------command in UNIX to create a directory.
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32 / 50
In ---------addressing, the recipient is not required to name the sender.
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Linux uses ___________ directory to store system configuration files.
34 / 50
POSIX is a standard developed by ANSI
35 / 50
First-Come, First-Served (FCFS) is a --------------scheduling algorithm.
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When process opens its first file explicitly it will get descriptor number ______
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You can display all of the signals supported by your system, along with their numbers, by using the -----------command
38 / 50
Users are the People, machines or computers that uses the Hardware resources.
39 / 50
Which of the Following is not an Operating System.
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A process consists of __________
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/opt is used for storage of large applications.
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Which of the following is correct definition for wait operation?
43 / 50
An absolute pathname starts with the root directory (/) and a relative pathname starts with your home directory.
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A 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 ________.
45 / 50
The manual pages can be read in Linux using ____ command.
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------------ register contains the size of the process
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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 _________.
48 / 50
Current working directory can be accessed using --------- Command.
49 / 50
__________ commands in Linux is used to copy file
50 / 50
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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