Path, Wash,, Reavver

[Grizzly]

Hi All

A few questions not all related, I've googled and cant find any good answers

1) how to set the default $PATH for terminal, I have tried ~sudo visudo, 
which 
shows only the standard usr/bin: usr/sbin... but when I'm in terminal
"SudoEcho PATH" & "Echo $PATH" both show a longer line including "/Game/"

I don't have a game folder/directory so I would like to edit that on a 
perminant basis and add my /home/scripts folder in its place

2) reaver seems to not be doing its thing, until I got to prob 3 below I 
thought that it ws just my system was tied down solid, but after testing with 

my lappy beside the router and routers WPS set (for the test only) to the 
default 12345670 and waiting for a wps device to try still didn't get any 
results

3) Wash does nothing ~wash -i mon0 or sudo ~wash -i mon0 either it shows the 
headers and exits to prompt, shows headers plus flashing curser for a minute 
or 
so then just a solid curser, I'v tried all the "solutions" I can find, down 
grade libblahblah,  add usr/reaver/ folder, airodump-ng mon0 shows multiple 
AP's but without wash cant be sure which are WPS

so ANY ideas please