Your
file extensions will help guide you with this and most FTP client programs
will auto-detect the transfer type. If your files are readable in a
text editor such as Notepad, you can safely upload them in ASCII mode,
if the programs are compiled or executable programs such as pre-compiled
CGI scripts (written in C for example), audio or video files (.mov,
.ra, .avi, etc) should be uploaded in binary mode.
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