Q: What is the "/aliases" node in the device tree?
A: The /aliases node is a property list of devaliases. The name is the alias and the value is the expansion. On a G3 the node appears as follows:
0 > dev /aliases pwd .properties /aliases
name aliases
pci /pci
bridge /pci/@d
mac-io /pci/@d/mac-io
via-cuda /pci/@d/mac-io/via-cuda
rtc /pci/@d/mac-io/via-cuda/rtc
adb-keyboard /pci/@d/mac-io/via-cuda/adb/keyboard
adb-mouse /pci/@d/mac-io/via-cuda/adb/mouse
sound /pci/@d/mac-io/davbus/sound
enet /pci/@d/mac-io/ethernet
scca /pci/@d/mac-io/escc/ch-a
sccb /pci/@d/mac-io/escc/ch-b
nvram /pci/@d/mac-io/nvram
ide0 /pci/@d/mac-io/ata-3@20000
cd /pci/@d/mac-io/ata-3@20000/disk@0
zip /pci/@d/mac-io/ata-3@20000/disk@1
ide1 /pci/@d/pci-ata@1/ata-4@0
hd /pci/@d/pci-ata@1/ata-4@0/disk@0
ultra0 /pci/@d/pci-ata@1/ata-4@0/disk@0
ultra1 /pci/@d/pci-ata@1/ata-4@0/disk@1
usb /pci/@d/usb
fw /pci/@d/firewire
keyboard /psuedo-hid/keyboard
mouse /psuedo-hid/mouse
usb-keyboard
usb-mouse
no-boot /pci@80000000/pci-bridge@d/mac-io@5/fdc
/pci@80000000/pci-bridge@d/mac-io@5/scsi
/pci@80000000/pci-bridge@d/mac-io@5/ata-3@21000
last-boot /pci@80000000/pci-bridge@d/mac-io@5/ethernet
screen /pci@80000000/ATY,Rage128y@10
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As you can see, it is much easier to go to the "screen" node than the "/pci@80000000/ATY,Rage128y@10 node" since there is less typing and therefore less chance for a mistake: quicker as well.
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