How to convert dmg to iso and iso to dmg

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How to convert dmg images to iso:

user@osx: ~$ [color=green]hdiutil convert image.dmg -format UDTO -o image.iso[/color]
Reading Driver Descriptor Map (DDM : 0)…
Reading  (Apple_Free : 1)…
Reading Apple (Apple_partition_map : 2)…
Reading Macintosh (Apple_Driver_ATAPI : 3)…
Reading  (Apple_Free : 4)…
Reading disk image (Apple_HFS : 5)…
.............................................................................................................................................................................
Elapsed Time:  5m  1.237s
Speed: 13.4Mbytes/sec
Savings: 0.0%
created: /Users/user/image.iso.cdr
user@osx: ~$ ls -la Image*
-rw-r--r--  1 user  user  3794414600 Dec 21 23:56 image.dmg
-rw-r--r--  1 user  user  4225925120 Jan 12 23:42 image.iso.cdr
user@osx: ~$ mv image.iso.cdr image.iso

How to convert iso images to dmg:

osx:iso root# hdiutil convert image.iso -format UDRW -o image.dmg 
Reading Driver Descriptor Map (DDM : 0)…
Reading  (Apple_Free : 1)…
Reading Apple (Apple_partition_map : 2)…
Reading Macintosh (Apple_Driver_ATAPI : 3)…
Reading  (Apple_Free : 4)…
Reading Mac_OS_X (Apple_HFS : 5)…
.................................................................................................................................................................................................................
Elapsed Time: 21m 49.934s
Speed: 5.2Mbytes/sec
Savings: 0.0%
created: /mnt/iso/image.dmg

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