introduction Flashcards
BetriebSytermkern
scgeduler
speichermanagement/memorymanagement
hardware Abstraction
Hilfsprogramme
Shell:bash,Command.com
Dateioperationen:ls,rm,cp,cat..
GNU/Linux
linux betriebsystem
gnu projekt
tasks of operation system
Resource management
executation of program
access of hardware
safety/access of safety
abrechnung
communication between hardware network protocol
what is program
static block of instructions
what is process
execution of program
job
can have many process
fully explained aufgabe in which the ausführung übergeben würde
1st generation
no operating system
only single use
input- schalten, lochstreiten,steckkarten
one user at a time
short mean time between failure
2nd generation
mainframes
seperation of roles, hersteler;programmer;operator
more jobs in order-stapelverarbeitung
spooling
better potential
festplatten loch in platen
simultaneous periphral on line
3rd generation
integrated circuit
microprogramming
portable software
works on small and big computer
abstraction
disadvantage of stapelverarbeitung
must book it on time,
it is bored some times
only positive++ only access
time sharing
more user work together
better auslatung
but langsamer
