I'm surprised you save much space since ISOs are usually stored in already compressed formats

Weirdly, my "Linux ISOs" are compressed in x265 :)

Which is only marginally more effecient than the H.264 encoding that many of them are delivered in. And the biggest shiniest Linux ISOs already use H.265 out of the box.

No he means a full length Linux ISO can be as small as 700 MB, I personally prefer 1.4 GB

I prefer my Linux ISOs to one or two orders of magnitude more fully featured than that.

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