What does `?` mean for "who -T" ? Post: 96427

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logger

logger(1)						      General Commands Manual							 logger(1)

NAME

       logger - make entries in the system log

SYNOPSIS

       tag] pri] file] [message...]

DESCRIPTION

       The command provides a program interface to the system log module (see syslog(3C)).

       A  message can be given on the command line, which is logged immediately, or a file is read and each line is logged.  If no file or message
       is specified, the contents of the standard input are logged.

   Options
       The command recognizes the following command-line options and arguments:

	      Mark every line in the log with the specified
			     tag.  The default is the value returned by (see getlogin(3C)).  If returns NULL, is the default.

	      Enter the message with the specified priority.
			     The priority can be specified numerically or as a pair.  For example, logs the message or messages as  level  in  the
			     facility.	The default is

	      Log the process ID
			     of the logger process with each line.

	      Log the contents of the specified file.

	      message	     The message to log; if not specified, the file specified by the option or standard input is logged.

EXTERNAL INFLUENCES

   Environment Variables
       determines the language in which messages are displayed.

       If is not specified in the environment or is set to the empty string, the value of is used as a default for each unspecified or empty vari-
       able.  If is not specified or is set to the empty string, a default of "C" (see lang(5)) is used instead of

       If any internationalization variable contains an invalid setting, behaves as if all internationalization variables are  set  to	"C".   See
       environ(5).

   International Code Set Support
       Single- and multi-byte character code sets are supported.

EXAMPLES

       Send the message to the daemon:

       Send output from the command (see users(1) to the daemon, marked as level and facility The message is tagged with the string

       Send the message to the daemon, at the level and facility:

WARNINGS

       The command has no effect if the daemon (see syslogd(1M)) is not running on the system.

       Messages written in locales other than the POSIX/C locale are not supported.

AUTHOR

       was developed by the University of California, Berkeley.

SEE ALSO

       syslogd(1M), getlogin(3C), syslog(3C).

STANDARDS CONFORMANCE

																	 logger(1)