XP、WIN7系统垃圾清理工作原理

360垃圾清理V3.0 绿色免费版

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主要清理了系统缓存文件，日志文件，回收站等不必要的系统垃圾文件。

此为XP清理的原码：
@echo off
color 0A
pause
echo 正在清理系统垃圾文件，请稍等......
del /f /s /q %systemdrive%\*.tmp
del /f /s /q %systemdrive%\*._mp
del /f /s /q %systemdrive%\*.log
del /f /s /q %systemdrive%\*.gid
del /f /s /q %systemdrive%\*.chk
del /f /s /q %systemdrive%\*.old
del /f /s /q %systemdrive%\recycled\*.*
del /f /s /q %windir%\*.bak
del /f /s /q %windir%\prefetch\*.*
rd /s /q %windir%\temp & md %windir%\temp
del /f /q %userprofile%\cookies\*.*
del /f /q %userprofile%\recent\*.*
del /f /s /q "%userprofile%\Local Settings\Temporary Internet Files\*.*"
del /f /s /q "%userprofile%\Local Settings\Temp\*.*"
del /f /s /q "%userprofile%\recent\*.*"
echo 清理系统垃圾完成！
echo. & pause

此为WIN7清理的原码：
@echo off
color 0A
pause
taskkill /f /im explorer.exe
del /f /s /q %systemdrive%\*.tmp
del /f /s /q %systemdrive%\*._mp
rd /s /q %windir%\temp & md %windir%\temp
del /f /s /q "%userprofile%\local settings\temp\*.*"
del /f /s /q %windir%\prefetch\*.*
del /f /s /q %systemdrive%\*.log
del /f /s /q %systemdrive%\*.gid
del /f /s /q %systemdrive%\*.chk
del /f /s /q %windir%\*.bak
del /f /s /q %systemdrive%\*.old
del /f /s /q c:\$recycle.bin\*.*
del /f /s /q d:\$recycle.bin\*.*
del /f /s /q e:\$recycle.bin\*.*
del /f /s /q f:\$recycle.bin\*.*
del /f /s /q g:\$recycle.bin\*.*
rd /s /q %windir%\SoftwareDistribution\Download & md %windir%\SoftwareDistribution\Download
del /f /q "%userprofile%\AppData\Roaming\Microsoft\Windows\Cookies\*.*"
del /f /s /q "%userprofile%\AppData\Local\Microsoft\Windows\Temporary Internet Files\*.*"
del /f /s /q "%userprofile%\AppData\Roaming\Microsoft\Windows\Recent\*.*"
start explorer

此为WIN7任务栏图标清理的原码：
@echo off
color 0A
pause
taskkill /f /im explorer.exe
attrib -h -s -r "%userprofile%\AppData\Local\IconCache.db"
del /f "%userprofile%\AppData\Local\IconCache.db"
attrib /s /d -h -s -r "%userprofile%\AppData\Local\Microsoft\Windows\Explorer\*"
del /f "%userprofile%\AppData\Local\Microsoft\Windows\Explorer\thumbcache_32.db"
del /f "%userprofile%\AppData\Local\Microsoft\Windows\Explorer\thumbcache_96.db"
del /f "%userprofile%\AppData\Local\Microsoft\Windows\Explorer\thumbcache_102.db"
del /f "%userprofile%\AppData\Local\Microsoft\Windows\Explorer\thumbcache_256.db"
del /f "%userprofile%\AppData\Local\Microsoft\Windows\Explorer\thumbcache_1024.db"
del /f "%userprofile%\AppData\Local\Microsoft\Windows\Explorer\thumbcache_idx.db"
del /f "%userprofile%\AppData\Local\Microsoft\Windows\Explorer\thumbcache_sr.db"
echo y|reg delete "HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\TrayNotify" /v IconStreams
echo y|reg delete "HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\TrayNotify" /v PastIconsStream
start explorer