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[hylafax-users] && - Help

What does && represent?

Here is the command that I saw it in.
watch -n 1 "/hylafax/etc/errorstats.sh /hylafax/etc/xferfaxlog &&
faxstat -asl && echo && tail /var/log/messages"

Also why is the echo necessary.

Cross Posted due to relevancy.

Paul Kraus
Network Administrator
PEL Supply Company
216.267.5775 Voice
216-267-6176 Fax

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