CS604-Midterm
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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.).
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The Shortest-Job-First Scheduling algorithm can be
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User Goal of OS is that It easy to use, reliable, safe and fast.
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Batch programs are usually _________ programs.
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The correct command for compiling C program named program.c in Linux environment is
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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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A time sharing system is
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Operating System is the Manager of Hardware Resources.
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A semaphore that cause Busy-Waiting is termed as ___________.
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Shared libraries and kernel modules are stored in directory
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A system call________
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____ command display the status of a process.
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The main characteristic of a Real time system is
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Database, Complier, Video games are examples of ________.
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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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A process consists of __________
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In Linux directory structure, there is ___________ root directory.
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If your processor does not have two slots empty in Per Process File Descriptor Table, then your _________ system call will fail.
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rm and [r]mkdir commands are used to _____________ directory.
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Which part of the computer system helps in managing the file and memory management system?
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You can use the ---------command in UNIX to create a directory.
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The major advantage of multi-programming system is
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We can install and run multiple OS by using VMWare.
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The scheduling of ______ are done by the operating system.
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Utilities used for system administration (halt, ifconfig, fdisk, etc.) are stored in _____________ directory.
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________________ is an integer variable accessible through wait and signal which are atomic operations.
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Linux uses ___________ directory to store system configuration files.
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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 ________.
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The interval from the time of submission to the time of completion is the ______
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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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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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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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_________buffer places no practical limit on the size of the buffer
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Linux Treats Devices as Files.
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In Layered Approach of OS, the Layer highest Layer is User Interface layer.
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A program in execution is called a _______________.
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_________ command to resume the execution of a suspended job in the foreground
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When process opens its first file explicitly it will get descriptor number ______
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___________ algorithm is used in Deadlock avoidance.
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You can terminate a foreground process by pressing --------------
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All threads within a process share the ________ address space.
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/usr/X11R6 is used by the X Window System.
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___________ is used in real time operating systems.
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Mach, MacOS X Server, QNX, OS/2 and Windows NT are examples of OS Based on ______.
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When a process opens its first file explicitly it will get descriptor number _________
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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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/opt is used for storage of large applications.
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________ scheduling algorithm is sometimes called shortest remaining time first scheduling algorithm.
50 / 50
Each page is a power of -------- bytes long in paging scheme.
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The average score is 36%
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