.TP .BI \-u\ user/mask Run the .I command only for the given .IR user . It\(aqs also possible to use .RB \(aq * \(aq and .RB \(aq ? \(aq wildcards (e.g. \-u *@example.org). .br When neither the .B \-A option nor .BI \-u\ user was specified, the .I command will be executed with the environment of the currently logged in user.