Quelques particularités suivant les plateformes :

Sous cygwin / windows

parray tcl_platform
tcl_platform(byteOrder) = littleEndian
tcl_platform(machine)   = intel
tcl_platform(os)        = Windows NT
tcl_platform(osVersion) = 5.0
tcl_platform(platform)  = windows
tcl_platform(user)      = bc00017
tcl_platform(wordSize)  = 4

uname -a
CYGWIN_NT-5.0 bc00017 1.3.22(0.78/3/2) 2003-03-18 09:20 i686 
            unknown unknown Cygwin
            
uname -s
CYGWIN_NT-5.0

uname -m
i686
