-=> JEAN PARROT wrote to WAYNE CHIRNSIDE <=-

 JP>       Hello, Wayne, it is a great day here. Still.

 WC> One can produce the character for ohms in that way as
 WC> well as create a directory consisting of a space.
 WC> For the latter, MD CNTRL - 255

 JP>  Yes, what you are "printing" is the greek letter omega
along with 9
 JP>  others, from high ASCII 234 to 244. The 255 is FF in octal and is
 JP> indeed
 JP>  a blank character.

Yup, it's in an appendix in my programming with C textbook.
 
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