klogd(8): man page documenting the klogd kernel logger, including nondefault uses (e.g., diagnostics, etc.).
logger(1): man page documenting the logger utility.
sysklogd(8): man page describing Linux's implementation of syslog and how it interacts with klogd. It also provides a list and description of syslogd's startup options/flags.
syslog.conf(5): man page providing detailed syslog configuration-file syntax, options and use.
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