|| FreeBSD System Manager's Manual
manage the user accounting database
utility can be used to perform operations on the user accounting database, as done by
The first argument to utx indicates an action to be performed:
Write a boot time record to the user accounting database. This option should typically only be used by
Write a shutdown time record to the user accounting database. This option should typically only be used by
Remove stale sessions from the user accounting database, by referring to their
identifier. Stale sessions can occur if a login service exits prematurely or fails to remove the session from the accounting database.
Utilities such as w(1) will not display the identifier corresponding with a login session, since its value is typically only of use by the process managing the record. The following command can be used to obtain all records from the user accounting database's active session table, including its identifiers:
getent utmpx active
Identifiers can either be supplied in hexadecimal form as displayed by getent(1), or as a string if the identifier allows such a representation.
To remain backward compatible, this action can also be invoked directly by using the utxrm command.
Because this utility requires write-access to the user accounting database, its use is limited to the super-user.
utx utility replaced