Using chmod to converting document back into Unix Executable FIle

Can someone remind me how you change document files back into Unix Executables with chmod? I'm a Unix novice but have done this before and can't remember how to do it. Is this slip from exec to doc a file extension problem?
Thanks.
MacBook Pro 2.0/2GB/100GB Mac OS X (10.4.7) also own titanium Powerbook G4 1.0/512K/80GB

Hi Toolshed4,
> I assume the permissions change when the file
is copied through the Finder.
   When a new file is created, even by copying, I believe that the new permissions are determined by the system umask, so I would expect a file to have permissions of 644. I think that ownership is determined by the creating process and the group is inherited from the parent directory. On the other hand, if the file is moved (instead of copied) within a volume, permissions shouldn't change.
> Do I need to become the root user to do this?
   I can't answer any questions about permissions without knowing what they are. The following command has a few options selected that should provide all of the permissions related information of which the ls command is capable of getting.
ls -leoR /<Path>/<to>/<Script>
If instead of a script the above path points to a directory, the above listing will descend into subdirectories recursively, thanks to the "-R" option. The man page for "ls" will describe the other options I've selected.
Gary
~~~~
   Said the attractive, cigar-smoking housewife to her
   girl-friend: "I got started one night when George came
   home and found one burning in the ashtray."

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