The Batch Script will allow you to bulk move G Suite users to a specified Organisational Unit / Sub Organisational Unit that are located in the "BAT-AddUsersToOU.txt" file.
@ECHO OFF
CLS
ECHO ------------------------
ECHO Adding user(s) to the OU
ECHO ------------------------
cd C:\Gam\
gam update org OUName add file BAT-AddUsersToOU.txt
ECHO ---------------------------------
ECHO Finished adding user(s) to the OU
ECHO ---------------------------------
Pause