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Is there any way that an external hard drive can be used to boost performance?

This might be a silly question but is there any way to use a flash drive to optimize the memory on lubuntu 12.04? Kinda like how you can in win7?

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marked as duplicate by Oli Jun 26 '12 at 9:38

This question was marked as an exact duplicate of an existing question.

take a look over this discussion – Web-E Jun 26 '12 at 9:11
up vote 0 down vote accepted

To answer your question, No. ReadyBoost is a disk cache component of Windows, works by using flash memory, a USB flash drive, as cache, NOT as swap. Plus too much I/O operations in a flash drive can damage it in a long run.

Nowadays RAM is cheap, so you'd better off using RAM, since USB is slower than RAM. Or you can use SSD.

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