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Table of Contents [show]     1 Windows     2 Linux     3 Mac Copyright Information This article is licensed under GNU Public License. Contact webmasters for more information on copyright issues. 1 Windows Basic vs Dynamic Disks A basic disk is the traditional disk you've been having since win98 times: on each disk, you may have up to four primary partitions, or three primary partition and one extended partiion with unlimited logical drives. All the tricks are done in the MBR (master boot record, located at the beginning of a disk). Dynamic disks were introduced in win2k (so not supported in NT). For a dynamic disk, you do not have those limitations because you do not use partitions at all. All we have in a dynamic disk are logical volumes. Encypt Windows Files How do I encrypt windows folders or files? 1. Go to windows Explorer by right click Start and select open. 2. find the file or folder you want to encrypt 3. Right-click, sel...[more] 2 Linux Linux boot process Before going thru the linux boot process, it's fairly important to understand the IBM pc "real mode" memory model. When a PC boots, it runs in real mode with a 20-bit address space, or 20 address lines from/to the CPU. The maximum address from a 20-bit address space is 1M (2^20). When PC was first designed, IBM only allocates the first 640K (0x00000-0x9FFFF) to read-and-write memory (RAM). Anything beyond that is assigned to ROMs such as BIOS ROM. BIOS ROM takes the last 64k from 0xF0000 to 0xFFFFF. In this BIOS ROM space, the last command at 0xFFFF0 always points to the starting point of the BIOS instructions. Following are more details about what happens when linux boots: BIOS-start:when the system boots, 0xFFFF0 automa...[more] 3 Mac iPhone Development How do I enable root account Go->Utilities->Directory Utility->Edit menu->Enable root user How do I mount an NTFS disk in read/write mode? By default, mac mounts ntfs drives (such as your typical USB drive on windows) in read-only mode. To mount your USB in read/write mode, install How do I share my mac share? System Preferences -> Share -> Then options -> Smb How do I enable Chinese input in leopard? System preferences -> International -> input method -> chinese How do I check out my system configuration? Go -> Application -> Utilities -> System Profiler How do I install firefox (or an application)? Download the .dmg file, double click it and the disk image will be mounted to a ...[more] Comments English-Chinese operating system [²Ù×÷ϵͳ] (search time: 102.099 msec)