A CMSADM backup copies all system directories and files, with a few exceptions. Depending on your CMS load, some files excluded are:
/var/tmp
/dump/tmp
/cms/install/bin/restore
/etc/system-release
/etc/mtab
/etc/nologin
/etc/.name_service_door
/var/spool/cups/tmp
/var/spool/cups/temp
/var/spool/cups/requests
/var/spool/mqueue
/var/lock/
/var/spool/uucp/dummyech/Z
/dev|/usr/dbtemp
/usr/lib/cms/Aname
/usr/lib/cms/Pname
/usr/lib/cms/Sname
/cms/cmstables
/cms/db/inf/cms.dbs
/cms/db/journal/shortcut
/cms/db/journal/timetable
/cms/pbx/master
/cms/pbx/sim_pbx
/cms/pbx/acd
/cms/tmp
/cms/dc/chr/chr_log
/BI/add_on/data/forwarder
/tmp
/storage
/INFORMIXTMP
/var/spool/postfix/pid
