Linux MAC OS UN! DOS "#e purpose o operating systems$ %i&e management Mac#ine management User interace Security "as' "as' management
Linux •
Linux is an a&ternati(e operating system or persona& computers an) ser(ers* t competes main&y against Microsot+s ,in)o-s* t is .ase) on t#e UN! operating system an) -as origina&&y create) .y Linus "or(a&)s* Linux is an operating system t#at e(o&(e) rom a 'erne& create) .y Linus "or(a&)s -#en #e -as a stu)ent at t#e Uni(ersity o He&sin'i* /enera&&y0 it is o.(ious to most peop&e -#at Linux is* Ho-e(er0 .ot# or po&itica& an) practica& reasons0 it nee)s to .e exp&aine) urt#er*
OS •
Most inormation on&ine is (ery tec#nica&* "#e goa& o t#is -e.site is to exp&ain -#at iOS is in &ayman1s terms an) u&timate&y )e3ne or t#e &ayperson t#e meaning o iOS* n or)er to rea&&y 'no- iOS one must 3rst un)erstan) -#at it is* "#e .asic ans-er to t#e 4uestion ,#at is iOS is simp&y t#is iOS is -#at ma'es App&e1s mo.i&e )e(ices or De(ices turn on an) run a&& t#e stuf you -ant to )o -it# it* t1s t#e .asic operating system
UN!$ •
UN! is operating systems* "#e 5o. o operating systems is to orc#estrate t#e (arious parts o t#e computer t#e processor t#e on .oar) memory t#e )is' )ri(es0 'ey.oar)s0 (i)eos0 monitors0 to perorm useu& tas'*
,in)o-s 6 •
,in)o-s 6 ma)e its o7cia& )e.ut to t#e pu.&ic on Octo.er 220 2889 as t#e &atest in t#e 2:;year; 2:;year; o&) &ine o Microsot ,in)o-s ,in)o-s operating systems an) as t#e successor to -in)o-s (ista =-#ic# itse& #a) o&&o-e) ,in)o-s !P>* ,in)o-s 6 -as re&ease) in con5unction -it# ,in)o-s Ser(er 288? @20 ,in)o-s 6+s ser(er counterpart* ,in)o-s 6 is an operating system pro)uce) .y Microsot Microsot or use on persona& computers0 inc&u)ing #ome an) .usiness )es'tops0 &aptops0 net.oo's0 ta.&et PCs0 an) me)ia centre PCs
MAC OS •
"#e Mac OS is an operating system t#at -as )esigne) or t#e App&e computer* "#e Mac OS -as )e(e&ope) .y App&e nc*0 t#e company t#at )e(e&ope) t#e App&e computer0 as -e&& as a num.er o ot#er pro)ucts inc&u)ing t#e iPo)0 iP#one0 an) ipa)* "#e Mac OS is one o t-o ma5or operating systems a(ai&a.&e0 -it# t#e ot#er .eing t#e ,in)o-s operating system*
%i&e management management •
"#e computer 3&e management system )ifers rom t#at &oo'ing up a reerence reerence num.er in t#e t #e &i.rary is on a computer system0 a person can #a(e rea)0 -rite0 maintenance or .ac'up aut#ority on t#e 3&e systems
A user interace0 a&so simp&y an interace is t#e means in -#ic# a person contro&s a sot-are app&ication or #ar)-are )e(ice* A goo) user interace pro(i)es a user;rien)&y experience0 a&&o-ing t#e user to interact -it# t#e sot-are sot-are or #ar)-are #ar)-are in a natura& an) intuiti(e -ay
Security •
OS security reers to speci3e) steps or measures use) to protect t#e OS rom t#reats0 (iruses0 -orms0 ma&-are or remote #ac'er inter(entions
•
Operating systems contro&s e(ery tas' your computer carries out an) manage systems resources* resources* An) a&so ma'ing sure t#ey )on1t cross t#e .oar)ers*
"as' "as' management •
"#e unctions0 assume) .y t#e opera ting system0 o s-itc#ing t#e process or .et-een tas's0 sc#e)u&ing0 sen)ing messages or timing signa&s .et-een tas's0 an) creating or remo(ing tas's*