OPERACIJSKI SUSTAVI.

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Presentation transcript:

OPERACIJSKI SUSTAVI

Operacijski sustav skup programa koji omogućuje izvođenje svih operacija na računalu Zadaće OS-a: Upravljanje datotekama na disku, spremnikom Upravljanje programima Komunikacija programa ( računalnog sustava ) i korisnika Upravljanje sklopovljem

Operacijski sustav Jedna od važnih zadaća OS-a jest olakšati korištenje računala, i korisnicima i programerima Za običnog je korisnika bitno samo da zna koristiti sučelje OS-a ( GUI ) te standardne procedure pri korištenju programa i u radu sa podacima Osoblje koje održava računalni sustav mora dublje poznavati funkcioniranje OS-a računala

Računalni sustav Slojevi ( sastavnice ) računalnog sustava: Korisnik Primjenski programi ( aplikacijski, korisnički softver ) Operacijski sustav Računalno sklopovlje

Računalni sustav između svaka dva sloja nalazi se odgovarajuće sučelje između korisnika i programa – korisničko sučelje između programa i OS-a – GUI ( Graphical User Interface ) između korisnika i OS-a – GUI između programa i OS-a – API ( Application Programming Interface )

Operacijski sustav upravlja svim elementima računalnog sustava ( podsustavima ): upravljanje datotekama ( datotečni podsustav ) upravljanje ulazno-izlaznim napravama ( UI podsustav ) upravljanje programima ( procesima i dretvama ) upravljanje spremnikom ( spremnički podsustav ) upravljanje povezivanjem i komunikacijom ( mrežni podsustav ) upravljanje sigurnošću ( zaštita korisnika i njegovih podataka) korisničko sučelje

OS Današnji OS Microsoft Windows Windows 7, Windows Vista, Windows XP, … Apple Mac OS X Linux distribucije Ubuntu, Fedora, openSUSE, Debian, Knoppix, BSD,…

Logotipi OS-ova

Microsoft OS-ovi kroz povijest DOS jezgra (kernel) 1985 Windows 1.0 1987 Windows 2.0 1988 Windows 2.1 1990 Windows 3.0 1992 Windows 3.1 1992 Windows for Workgroups 3.1 1993 Windows for Workgroups 3.11 1995 Windows 95 / DOS 7.0 - FAT 16 1997 Windows 95 OSR2 / DOS 7.1 - FAT 32 1998 Windows 98 1999 Windows 98 SE (Second Edition) 2000 Windows Me (Millennium Edition)

Microsoft OS-ovi kroz povijest NT jezgra (kernel) ili novija: 1993 Windows NT 3.1 1994 Windows NT 3.5 1995 Windows NT 3.51 1996 Windows NT 4.0 2000 Windows 2000 (NT 5.0) 2001 Windows XP (NT 5.1) 2002 Windows Server 2002 (NT 5.1) 2003 Windows Server 2003 (NT 5.2) 2007 Windows Home Server (NT 5.2) 2007 Windows Vista (NT 6.0) 2008 Windows Server 2008 (NT 6.0) 2009 Windows Server 2008 R2 (NT 6.1) 2009 Windows 7 (NT 6.1) 2011 Windows Home Server 2011 (NT 6.1) 2012 Windows Server 2012 Essentials (ReFS 6.2) 2012 Windows 8 (ReFS 6.2)

OS za mobilne telefone Windows Mobile Android iOS

Budućnost OS-ova Cloud OS ( OS u računalnom oblaku ) Virtualizacija

Statistika zastupljenosti 2012 Win7 Vista NT* WinXP Linux Mac Mobile July 53.8% 3.4% 1.2% 26.1% 4.9% 8.2% 1.6% June 53.2% 3.7% 1.1% 26.2% 5.0% 8.6% May 52.3% 3.9% 26.8% 9.0% April 51.3% 4.2% 1.0% 27.3% 9.3% 1.5% March 49.9% 4.3% 28.9% 8.9% 1.4% February 48.7% 4.5% 0.8% 30.0% 9.1% 1.3% January 47.1% 4.8% 0.9% 31.4%