20 Outline
**********

Some platforms have features which allows to implement some commands
useless or not implementable on others.

   Quick summary:

   Information retrieval:

   * mipsel-loongson: lsspd
   * mips-arc: lsdev
   * efi: lsefisystab, lssal, lsefimmap, lsefi
   * i386-pc: lsapm
   * i386-coreboot: lscoreboot, coreboot_boottime, cbmemc
   * acpi-enabled (i386-pc, i386-coreboot, i386-multiboot, *-efi):
     lsacpi

   Workarounds for platform-specific issues:
   * i386-efi/x86_64-efi: loadbios, fakebios, fix_video
   * acpi-enabled (i386-pc, i386-coreboot, i386-multiboot, *-efi): acpi
     (override ACPI tables)
   * i386-pc: drivemap
   * i386-pc: sendkey

   Advanced operations for power users:
   * x86: iorw (direct access to I/O ports)

   Miscelaneous:
   * cmos (x86-*, ieee1275, mips-qemu_mips, mips-loongson): cmostest
     (used on some laptops to check for special power-on key), cmosclean
   * i386-pc: play

