Ch1.
write kernel code to access the hardware, but don't force particular policies on the user.
Class of Devices and Modules
1. Character Devices
Ex: text console, serial port
2. Block Devices
Ex: /dev file system
3. Network interfaces
Ex: eth0
4.Other
SCSI
Ch2.
modularization
kernel header __KERNEL__ preprocessor
prevent namespace pollution and declare all symbols as static
Ch3.
Character Devices
Ch4.
Debugging skills
Ch5.
important operations: select, ioctl
Ch6.
time management
Ch7.
memory allocation
