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edited Apr 13, 2017 at 12:36

this one should work regardless the linux distribution you are running. You need to cover the redirection when running sudo.

$ sudo sh -c "$(which echo) 3 > /proc/sys/vm/drop_caches"

this one should work regardless the linux distribution you are running. You need to cover the redirection when running sudo.

$ sudo sh -c "$(which echo) 3 > /proc/sys/vm/drop_caches"

Credits: http://unix.stackexchange.com/a/148442/101951 (i added the which echo part though)

this one should work regardless the linux distribution you are running. You need to cover the redirection when running sudo.

$ sudo sh -c "$(which echo) 3 > /proc/sys/vm/drop_caches"

Credits: https://unix.stackexchange.com/a/148442/101951 (i added the which echo part though)

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answered Feb 5, 2015 at 5:52

thebugfinder

this one should work regardless the linux distribution you are running. You need to cover the redirection when running sudo.

$ sudo sh -c "$(which echo) 3 > /proc/sys/vm/drop_caches"

Credits: http://unix.stackexchange.com/a/148442/101951 (i added the which echo part though)