563

submitted 1 year ago by some_guy@lemmy.sdf.org to c/technology@lemmy.world

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The one-liner:

dd if=/dev/zero bs=1G count=10 | gzip -c > 10GB.gz

This is brilliant.

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[-] cy_narrator@discuss.tchncs.de 29 points 1 year ago

First off, be very careful with bs=1G as it may overload the RAM. You will want to set count accordingly

[-] sugar_in_your_tea@sh.itjust.works 9 points 1 year ago

Yup, use something sensible like 10M or so.

[-] cy_narrator@discuss.tchncs.de 3 points 1 year ago* (last edited 1 year ago)

I would normally go much lower,

bs=4K count=262144 which creates 1G with 4K block size

this post was submitted on 29 Apr 2025

563 points (97.3% liked)

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