Backup and hidden files?

Allan Sherman als at
Sat Feb 26 14:59:23 EST 2000

----- Original Message -----
From: Kevin M. Gleason <kgleason at>
> I created a file with cat and appended the file a little latter. When I
> went to list the file (ls -a) it produced the following list:
> ./filename
> ./filename~
> filename
> where filename is replaced by the actual name. Are both of the ./ files
> hidden with the one with the tilde (~) a backup? I guess I'm too
> literal, but inquiring minds want to know!

Kevin, let me add the suggestion that you use ls -l  ls -al to see the file
owner, permissions, timestamp, etc.  This can give more insight into the
differences between these files.

Another question:  What is the difference between "filename" and


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