Playing with USB wireless LAN adaptor

$ lsusb
Bus 001 Device 006: ID 0b05:1706 ASUSTek Computer, Inc. WL-167G 802.11g
Adapter [ralink]

Step 1 is to use it to scan for wireless network in my neighborhood!
Step 2 is to set up a wireless access point.

How could I do everything the command-line way?
Any good guide(s) or how-to(s) for newbies?

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