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M.C.A.(Sem - V) Distributed Computing
M.C.A.(Sem - V) Distributed Computing

... main idea of workstations serving as personal computers, because if remote processes are allowed to execute simultaneously with the logged on user’s own processes, the logged-on user does not get his of her guaranteed response. 2. The second approach is to kill the remote process. The main drawbacks ...
November 10 Lecture Slides
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...   Location – pointer to file location on device"   Size – current file size"   Protection – controls who can do reading, writing, executing"   Time, date, and user identification – data for protection, security, and ...
OPERATING- SYSTEM CONCEPTS with Java
OPERATING- SYSTEM CONCEPTS with Java

... Answer: When there are few other users, the task is large, and the hardware is fast, timesharing makes sense. The full power of the system can be brought to bear on the user’s problem. The problem can be solved faster than on a personal computer. Another case occurs when lots of other users need res ...
ADAPTING BASE STATION OPERABILITY SOFTWARE INTO LINUX AND SYMMETRIC MULTIPROCESSOR ARCHITECTURE
ADAPTING BASE STATION OPERABILITY SOFTWARE INTO LINUX AND SYMMETRIC MULTIPROCESSOR ARCHITECTURE

... Scheduling is the practice of deciding how to commit resources between different processes and the way processes are assigned to run on the available Central Processing Units (CPUs). Scheduling is very important for BTS O&M SW. The software requires a correct-order execution of its several processes ...
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Lecture Notes- Operating Systems

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... Since multiple users can be logged into a computer at the same time, the operating system needs to provide mechanisms to keep them separated. One user may not interfere with another. The process concept is widely used to group resources together for protection purposes. Files and other data structur ...
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... than one user. Since all the files are in same folder, they must have unique name. 2. Two-Level Directory:- In the two-level directory system, the system maintains a master block that has one entry for each user. This master block contains the addresses of the directories of the users. The problem w ...
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P 1 - Dave Reed

... Linux scheduler is preemptive, priority-based  2 priority ranges: real-time (0-99) & nice (100-140)  unlike Solaris & XP, direct relationship between priority and quantum size highest priority (200 ms)  lowest priority (10 ms)  real-time tasks are assigned fixed priorities  nice tasks have dyn ...
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Chapter 2

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Chapter 2 - cse.sc.edu
Chapter 2 - cse.sc.edu

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ppt - Dave Reed
ppt - Dave Reed

... Linux scheduler is preemptive, priority-based  2 priority ranges: real-time (0-99) & nice (100-140)  unlike Solaris & XP, direct relationship between priority and quantum size highest priority (200 ms)  lowest priority (10 ms)  real-time tasks are assigned fixed priorities  nice tasks have dyn ...
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Chapter 4

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Operating System Structure

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lecture1423726024
lecture1423726024

... buffer for reading from input devices and for storing output data until the output devices accept them. It is also use for processing data at remote sides. The remote processing is done and its own speed with no CPU intervention. Spooling overlaps the input, output one job with computation of other ...
lecture1422914790
lecture1422914790

... buffer for reading from input devices and for storing output data until the output devices accept them. It is also use for processing data at remote sides. The remote processing is done and its own speed with no CPU intervention. Spooling overlaps the input, output one job with computation of other ...
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OS 2200



OS 2200 is the operating system for the Unisys ClearPath Dorado family of mainframe systems. The operating system kernel of OS 2200 is a lineal descendant of Exec 8 for the UNIVAC 1108. Documentation and other information on current and past Unisys systems can be found on the Unisys public support website.See Unisys 2200 Series system architecture for a description of the machine architecture and its relationship to the OS 2200 operating system.
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