NAME utmp, wtmp - login records SYNOPSIS #include DESCRIPTION The utmp file allows one to discover ... system, because not all programs use utmp logging. Warning: utmp must not b…NAME utmp, wtmp - login records SYNOPSIS #include DESCRIPTION The utmp file allows one to discover ... system, because not all programs use utmp logging. Warning: utmp must not b…NAME utmp, wtmp - login records SYNOPSIS #include DESCRIPTION The utmp file allows one to discover ... system, because not all programs use utmp logging. Warning: utmp must not b…four character identifier string for an utmp (5) and wtmp entry for this service. This ... UtmpIdentifier= is set, controls which type of utmp (5)/wtmp entries for this serviceterminals and stored in a utmp (5) record) for a subsequent scheduled shutdown operation