The contents of this slide is all about introduction to Operating System (OS) and application, how to install it and some other basic maintenance techniques and tips

1. Operating System & Tips
--Mr. SEREY Vichhaiy
--IT SNA Trainer
--Passerelles numériques Cambodia
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2. Contents
• The course will cover:
1. Introduction to Operating System (OS) &
Application (Apps)
2. Installation steps (OS & Apps)
3. Basic maintenance & troubleshooting
4. Some useful tips
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1. Introduction to Operating System
(OS) & Application (Apps)
• Operating System is a software, which makes a
computer to actually work.
• The operating system is the core software component of
your computer.
• It is the software the enables all the programs we use.
• The OS organizes and controls the hardware.
• OS acts as an interface between the application
programs and the machine hardware.
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4. (Cont.)
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• Examples: Windows, Linux, Unix and Mac OS, etc.,
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5. (Cont.)
How it works:
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2. Installation steps (OS & Apps)
• Define the ways for installation
▫ Clean Install
▫ Multi-boot
▫ Upgrade
▫ Virtualization
• Hardware requirement***
▫ Amount of RAM, CPU, HDD, Graphic
• Installation Media (CD, USB Flash, Network)
• File System (NTFS, FAT32, Ext3, Reisers, Swap)
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7. (Cont.)
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• Partitioning*** (C:, D:, /, /boot, swap)
• Choosing “domain (pnc.lan, vichhaiy.net…)” or
“workgroup (A, Account, Developer…)” – normally skip
• Timezone (UTC+7)
• Others
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8. Software Installation Instruction
• Strategy to install software:
▫ Type of software
Close Source (Licensing)
Open Source
Shareware
Freeware
***Copy right vs. Copy left
▫ Using software:
Licensing (Legal Usage)
Cracking (Thief/Illegal)
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9. (Cont.)
• How to install fully function software:
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▫ Using “name, product key” sharing by someone
▫ Replace “cackingfilename.exe” to “C:Program files…name”
after installation/trial installation
▫ Using “patch”/”registry editor” software
▫ Prevent Activation using “hosts” file by replacing
“C:WindowsSystem32driversetc”
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10. (Cont.)
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Note:
During installation, Internet should be disconnect to
avoid crashing.
Practice:
• New Khmer dictionary
• Adobe Photoshop CS6
• Microsoft Office 2013 Professional Plus
• VLC
• …
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3. Basic maintenance & troubleshooting
• Security & Patch Update
▫ Always keep update
OS
Applications (Especially Anti-virus)
Device Drivers
▫ Using Non-Administrator User or other Administrative
User Right’s User
▫ Keep important (final) data in D: instead of Desktop
▫ Check space drive C: (System drive) >= 10%
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12. (Cont.)
▫ Using Password instead of blank
▫ Show hidden files & extension files
▫ Turn off “Auto-Play” feature
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13. (Cont.)
• Think of Your Computer Processing
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▫ Uninstall any useless/ software
Ex. As Network engineer, no need to install Accounting Software
▫ Disable all available startup services & programs
msconfig - disable (skype, gtalk, adobe, auto update…)
▫ Prepare Desktop properly
Arrange as Categories
• Weekly maintenance
▫ Check & delete
Temporary file : Run -> temp, %temp% or,
Run -> cleanmgr, then tick what you wanna delete.
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14. (Cont.)
Update Antivirus (In case off-line used)
• Monthly Maintenance:
▫ Check Disk: chkdsk /f /x /r c: | d:
▫ Defragmentation: defrag /A /H /V c:
• …
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15. Question vs. Answer
Thank for your time and attention!!!
Have a good day!
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