b62d1e58_g_Tools__The_Library_Installer__Example_Description
[Option] /silent [Example/Description] 
libinst.console update /silent Use this option to reduce console output to errors only and suppress progress and status output. When you run LibInst.Console with the /silent option, if no message displays, then the update command executed successfully.
Documentation :Building and Deploying Content :Publishing Tools :The Library Installer
Example/Description