On Sun, 2014-08-03 at 15:25 -0500, g wrote:
"cd /.../" is not legal.
It's perfectly legal. Whether it means anything or not depends on the
existence or otherwise of a directory called "/..." (the closing '/' is
ignored). The only system-reserved names are '/', '.' and '..'.
Anything
else is legal, including <space> and <carriage-return> (though you may
have difficulty using them.
poc