Wo speichert iTunes die iPhone-Backups?

Library/Application Support/MobileSync/Backup/

Windows XP
Documents and Settings(Benutzername)Application DataApple ComputerMobileSyncBackup

Windows Vista und Windows 7 und Windows 8
Users(Benutzername)AppDataRoamingApple ComputerMobileSyncBackup

weitere Infos auch unter:



Startup key combinations for Macs

Press C during startup    Start up from a bootable CD, DVD, or USB thumb drive (such as OS X install media).

Press D during startup    Start up in Apple Hardware Test (AHT).

Press Option-Command-P-R until you hear startup sound a second time. Reset NVRAM

Press Option during startup    Start up in Startup Manager, where you can select an OS X volume or network volume to start from.  

Press Eject, F12, or hold the mouse or trackpad button    Ejects any removable media, such as an optical disc.

Press N during startup    Attempt to start up from a compatible network server (NetBoot).

Press T during startup    Start up in Target Disk Mode.

Press Shift during startup    Start up in Safe Boot mode and temporarily disable login items.

Press Command-V during startup    Start up in Verbose mode.

Press Command-S during startup    Start up in Single-User mode.

Press Option-N during startup    Start from a NetBoot server using the default boot image.

Press Command-R during startup    Start from the OS X Recovery System1


Subnetting erklärt

Gute Links auf denen Subnetting einfach klasse erklärt ist.

Subnetting 1

Subnetting 2

und hier noch eine echt gute Webseite