“ If you can't
make it good, at
least make it look
What is an operating system?
Anoperating system is the most important
software that runs on a computer. It manages the
computer's memory, processes, and all of its
software and hardware. It also allows you
to communicate with the computer without
knowinghow to speak thecomputer's
"language." Without an operating system,a
computer is useless.
Solarisis thecomputeroperating systemthatSunMicrosystems
provides forits familyofScalableProcessorArchitecture-based
As the Internetgrew in the early1990s,Sun'sSPARC/Solaris
systemsbecamethemostwidely installedservers forWebsites.
Sunemphasizesthesystem's availability(meaning itseldom crashes),its large numberoffeatures,
anditsInternet-orienteddesign. Sunadvertises thatitslatestversion, the Solaris8Operating
Environment,is "theleading UNIX environment"today.
Solarisis knownforits scalability,especially onSPARCsystems,andfororiginatingmany
software.Subsequently,in June 2005,Sun
Microsystemsreleased most ofthecodebase, under
theCDDLlicense, andfoundedtheOpenSolaris, open
WithOpenSolaris,Sunwantedtobuilda developer and
decided todiscontinuethe OpenSolarisdistributionand
the development model.
In 1987,AT&TCorporationandSunannouncedthattheywerecollaboratingon a
projecttomerge themostpopularUnix variantson themarketatthat
time:BSD,SystemV,andXenix. Thisbecame Unix SystemV Release 4 (SVR4).
On September 4,1991,Sun announcedthat it would replace its existing BSD-derived Unix,SunOS
4,with one based on SVR4.This was identified internallyas SunOS 5, but a new marketingname
was introduced at the same time: Solaris 2.
AlthoughSunOS4.1.xmicro releases were retroactively namedSolaris 1 bySun,the
Solarisnameis used almostexclusively torefertothe SVR4-derivedSunOS5.0 andlater
Specialfeaturesmakeit easytoaddnew capabilityortofixproblems withouthaving torestartthe
system.Solarishasexercisedandfixedalmostanycodepaththatmight break.It canbe upgraded,
If youmovetoa largerprocessor,yourapplicationsshould notonlyrun, butrunfaster.Solaris
It is builtfornetworkcomputing.As partofthe firstandmost successfulWebserver system in
history,the latestSolarissystems arebuilton thecompany'sexperience withearlyWebsites and
It includes securityfeatures.Theseinclude supportforIPSec,Kerberos,AMI, andsmartcards.
Sunprovides threeextensions for its Solaris
The EasyAccessServer,which is designed torunin anetworkthatalsohasWindowsNT
The EnterpriseServer, which is aimedatthe"business-critical"environment,and
TheInternetService Provider(ISP) Server
Reboot is not required for Solaris so it can run 24/7.
It support zfs file system.
It canhandle many users at a time.
In Solaris wehavemany good backuptools.
Fully virus protected.
This OS is not userfriendly.
It is notrecommended to run Solaris on other architectures.
Lack of goodGUI.
Not a OSfor homeusers.
2 GBminimumfor thesmallest set of packages
6 GBfor themostpopularSolaris packages
Minimumof512MBRAM,1.5GB RAMor Higher is Recommended
32and64bit systems based onAMD,Inteland VIAx86 CPUs.
SunUltra SPARC-basedprocessors (sun4varchitecture)
Note: Memoryrequirementswill vary depending onthe application software being used, system configurations
and the numberof clients/users. Refer to the release notes for details of minimumand recommendedmemoryfor
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