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Operating System & Tips--Mr. SEREY Vichhaiy--IT SNA Trainer--Passerelles numériques Cambodia

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Contents• The course will cover:

1. Introduction to Operating System (OS) & Application (Apps)

2. Installation steps (OS & Apps)3. Basic maintenance & troubleshooting4. 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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(Cont.)• Examples: Windows, Linux, Unix and Mac

OS, etc.,

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(Cont.)

How it works:

OS Components

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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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(Cont.)• 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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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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(Cont.)• How to install fully function software:

▫ 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:\Windows\System32\drivers\etc”

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(Cont.)

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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(Cont.)▫ Using Password instead of blank▫ Show hidden files & extension files▫ Turn off “Auto-Play” feature

TIPS !!!

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(Cont.)• Think of Your Computer Processing

▫ Uninstall any useless/ softwareEx. 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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(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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Question vs. Answer

Thank for your time and attention!!!

Have a good day!