The praliases
utility displays the current system aliases,
one per line, in no particular order.
The special internal @:@ alias will be displayed if present.
Options
The options are as follows:
-Cfile
Read the specified file instead of the default
sendmail configuration file.
-ffile
Read the specified file instead of the configured
sendmail system aliases file(s).
If one or more keys are specified on the command line,
only entries which match those keys are displayed.
Exit values
praliases exits 0 on success, and >0 if an error occurs.