logger 1 logger a shell command interface to the syslog daemon logger -ffile -i -ppri -s -ttag Logger makes entries in the system log. It provides a shell command interface to the syslog daemon. -ffile Log the specified file. -i Log the process id of the logger process with each line. -ppri Enter the message with the specified priority. The priority may be specified numerically or as a facility.level pair. For example, -p local3.info logs the message(s) as informational level in the local3 facility. The default is user.notice. -s Log the message to standard error, as well as the system log. -ttag Mark every line in the log with the specified tag. The logger utility exits 0 on success, and >0 if an error occurs. Valid facility names are: auth, authpriv (for security information of a sensitive nature), cron, daemon, ftp, kern, lpr, mail, news, security (deprecated synonym for auth), syslog, user, uucp, and local0 to local7, inclusive. Valid level names are: alert, crit, debug, emerg, err, error (deprecated synonym for err), info, notice, panic (deprecated synonym for emerg), warning, warn (deprecated synonym for warning).