On Mar 5, at 11:34 AM, Bill Rising sought more insight:
If I do an 'ls -la' command in the terminal, many of the files look like this when listed: -rw-rw-rw-@ 1 wrr wheel 1152 Feb 25 13:40 abc.do -rw-rw-rw-@ 1 wrr wheel 4050 Feb 25 13:40 def.do -rw-rw-rw-@ 1 wrr wheel 6547 Feb 25 13:45 ghi.do What does the pesky @ sign mean at the end of the file permissions? The man pages give no insight.
It means the file has extended attributes. You'll also see a '+' there for extended security. The man page for chmod should give insight.
smime.p7s
Description: S/MIME cryptographic signature
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