Causes ssh to print its configuration after evaluating Host and Match blocks and exit
-G Causes ssh to print its configuration after evaluating Host
and Match blocks and exit.
Example:
$ ssh -G p | awk '$1 == "hostname" { print $2 }'
ssh.goyun.info
MongoDB stores documents in collections
Collections are analogous to tables in relational databases. If a collection does not exist, MongoDB creates the collection when you first store data for that collection.
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