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jpg files transferred to hard drive : about 80% now are coming up as Can't read file header - unknown file format.
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jpg files transferred to hard drive : about 80% now are coming up as Can't read file header - unknown file format.

Can't read file header

Unix is a multitasking, multi-user computer operating system originally developed in 1969 at Bell Labs. Today, it is a modern OS with many commercial flavors and licensees, including FreeBSD, Hewlett-Packard’s UX, IBM AIX and Apple Mac OS-X. Apart from its command-line interface, most UNIX variations support the standardized X Window System for GUIs, with the exception of the Mac OS, which uses a proprietary system.

Unix OS

Photo and imaging software is used to edit and compose raster images; Adobe Photoshop dominates the market. Common actions include cropping, slicing, retouching, color replacement, masking and erasing. Other programs include GIMP, Serif PhotoPlus, Pixlr, PhotoScape, Picasa and IrfanView.