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I have decided to install ubuntu alongside Mac OS X on my computer. I am wondering if the ubuntu installer ISO file can be erased from my USB after installation, and will be able to use my USB normally.

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up vote 1 down vote accepted

USB flash drives are reusable devices that read and write to flash memory, a solid-state storage medium that's both inexpensive and durable. You can overwrite and/or reformat a USB flash drive multiple times, very many times indeed.

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