Fall 2000: CS 771/871 Operating Systems

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Glossary/Index of Terms in Operating Systems


A B C D E F G H I J K L M N O P Q R S T U V W X Y Z #

Select the first letter of the word from the list above to jump to appropriate section of the glossary. If the term you are looking for starts with a digit or symbol, choose the '#' link.


- A -

ATM (Asynchronous Transfer Mode):
Availability:
is the fraction of time the system is usable.
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- B -

(empty)
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- C -

Causally Related Events
Clock Skew
Computer Clock
Concurrent Events
Critical Section
Section of code which can not be manipluates a shared resource. Should not be simulataneously active by more than one process.
 
Crossbar Switch
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- D -

Deadlock:  Occurs when a set of processes are blocked waiting requests that CAN NEVER BE SATISFIED,
Distributed System
A distributed system is a collection of independent computers that appear to the users of the system as a single computer (tanenbaum).
See also Goscinski.
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- E -

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- F -

Fault Tolerance:
is the ability to provide service even in the face of system failures.
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- G -

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- H -

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- I -

IP
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- J -

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- K -

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- L -

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- M -

memory coherence
property whereby all CPUs will access the same value at a particular memory location
 
micro kernel
Provides minimal service (interprocess communications, some memory management, low level process management and scheduling, low level I/O)
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- N -

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- O -

Omega Switch
OSI Open Systems Interconnection Model
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- P -

Parameter Marshaling
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- Q -

(empty)
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- R -

Remote Procedure Calls (RPC)
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- S -

Serializable Schedule:
A schedule of transactions is serializable if there is a order for running the transactions sequentially which gives the same results.
SONET (Synchronous Optical NETwork)
SDH (Synchronous Digital Hierarchy).
Strict Two Phase Locking
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- T -

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- U -

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- V -

Virtual synchrony
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- W -

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- X -

X.25
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- Y -

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- Z -

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- # -

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Copyright chris wild 2000.
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Last updated: 11 Oct 2000 .