It sounds like you’re referencing a file name for an older version of Adobe Photoshop (CS = Creative Suite, likely CS3, CS4, CS5, or CS6) for Mac OS X, packaged as a .dmg disk image.
It sounds like you’re referencing a file name for an older version of Adobe Photoshop (CS = Creative Suite, likely CS3, CS4, CS5, or CS6) for Mac OS X, packaged as a .dmg disk image.