[informix] ontape backup/restore command using STDIO and gzip -- Posted by inturi on Monday, October 19 2009
ontape command to take Level zero backup and compress the backup file:

$ontape -s -L 0 -t STDIO | gzip > /work/backup.gz

ontape command to restore compressed archive file using STDOUT option:

$gzip -d -c /work/backup.gz | ontape -r -t STDIO