Restore the calendar database stored in the directory backupdir that was previously saved using csbackup:
csrestore database backupdir
Restore the calendar with the calendar ID tchang from the file tchang.ics located in the directory backupdir that was previously saved in iCalendar (text/calendar file) format using csbackup or csexport:
csrestore -c tchang calendar backupdir/tchang.ics
Restore tchang from the calendar database in backupdir that was previously saved using csbackup:
csrestore -c tchang calendar backupdir
Restore the default calendar owned by tchang from the file tchang.ics located in the directory backupdir that was previously saved in iCalendar (text/calendar file) format using csbackup or csexport:
csrestore -a tchang defcal backupdir/tchang.ics