You need to install the developper SDK on your PC (as is mentioned on the page you link to!):
See
http://developer.android.com/sdk/installing.html
or
http://wiki.cyanogenmod.com/wiki/How...he_Android_SDK
Then you type those commands on your PC.
I guess flashing icewyng PDN sh20 firmware is an easier way of getting market (but you lose some pocketbook stuff), but note you have to edit the build.prop in the zip as I wrote in the (currently) last post of the thread (
https://www.mobileread.com/forums/sho...d.php?t=160159)