The LC (Log Comment) command enters a comment in the system log file SYSTEM/SUMLOG.
Logged comments can be printed by running SYSTEM/LOGANALYZER and specifying the OPERATOR option. Refer to the section on LOGANALYZER in the System Software Utilities Manual for a more detailed description of SYSTEM/LOGANALYZER.
Syntax

Explanation
LC <text>
Enters the specified text in the SYSTEM/SUMLOG file.
Example
LC BEGIN COMPILER TESTS
COMMENT LOGGED