postflight is a script name used by several installation packages on the Mac OS X system

/Applications/unused/Flip4Mac/Flip4Mac WMV Uninstaller

/Library/Caches/
Sophos Anti-Virus.mpkg

/Library/Receipts/
Adobe Flash Player
AirPortUtility             AirPortUtility_Leopard
AppleIntermediateCodec
AppleMobileDeviceSupport
CoreFP
Flip4Mac Web Plugins
Install Yahoo! Widgets
Mozy 1.3.2 Installer        Mozy MozyHome 1.5.0 Installer
QuickTime762_Leopard        QuickTime764_Leopard        QuickTime76_Leopard
RemoteDesktopClient
Sophos.....7.1.0            SophosAVCLI2.07.245         SophosAVData4.46

iLife 06                    iLifeMediaBrowser_v2        iLifeSoundEffects_Loops
iPhoto
iTunesAccess iTunesX
iWeb_App

mysql-5.1.36-osx10.4-powerpc


/Library/Receipts/Mozy 1.3.2 Installer.pkg/Contents/Resources/postflight
# NOTE: These are here because the installer's mechanism for removed obsolete files is unreliable.
echo "Checking for old files"
if [ -e "/usr/sbin/MozyBackup" ]; then echo "Removing old daemon file"; rm -f /usr/sbin/MozyBackup ;fi
…

echo "Verifying application support directory permissions"
chmod -R a+rw /Library/Application\ Support/Mozy

echo "Verifying log file permissions"
touch /Library/Logs/Mozy.log
chmod a+rw /Library/Logs/Mozy.log
…