So, apart from this recent document list, if every path is relative in the *.ini, I should be safe ?
Yes, AFAIK - Of course if you save your tab settings in a file make sure it is on the USB drive too.
I do not have wcx_ftp.ini in TC directory...
Then you must have it somwhere else (if you ever used FTP) - you can check where in the Menu -> "Help" -> "About Total Commander".
Use this line in your wincmd.ini:
UseIniInProgramDir=7
then wcx_ftp.ini will also be saved in your TC directory.
The %TEMP% directory is the Windows (DOS) directory to place temporary files in.
Run DOS from TC - type:
set temp
press enter - then you can se the location of your temp directory - you should delete what's
in the temp dir once in a while - the content can really take up a lot of space.
In the good old DOS days, temp was usually placed in c:\temp - Now Windows XP really hides it by default in "C:\Documents and Settings\User Name\Local settings\Temp" (different if you are using a non-English Windows)