Power Management

 * APM is the older standard [[https://stuff.mit.edu/afs/sipb/contrib/doc/specs/protocol/apm12.pdf|APM Power]]
 * [[https://uefi.org/acpi/specs|ACPI]] is the newer standard;
 * [[http://acpi.sourceforge.net/documentation/sleep.html|ACPI sleep modes]]
 * [[https://www.suspend2.net/|Software Suspend]] for Linux kernels 2.4 and 2.6
 * [[http://www.linuxdevices.com/files/article038/suspend_sh.txt|suspend.sh]] (need to find the article which refers to this file)
 * [[http://www-106.ibm.com/developerworks/linux/library/l-boot.html|Improving boot speed by Parallelizing Linux system services]]