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This is a useful command that gives the hostname and the IP Address of your machine, on many OS. Tested on Linux and Solaris.
host command here is followed by `hostname`. Note the ` in the command is a back quote (or grave accent or back tic that usually shares the space with the ~ key). No other options are specified. See sample output.
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on some OSs (e.g. Solaris) the host command with a parameter _sets_ the hostname.
It is a bad idea to risk that (if you happen to be root).
Use nslookup or ping instead to learn the IP address of something.
Note that the command is host `hostname` and works fine on Solaris. No other options are specified for this specific invocation. Please correct if you think if there is anything wrong in this specific usage. Tested it on Solaris, works fine.
works on freeBSD with BASH