Clear cache ubuntu

Clear ram linux

sudo sync; echo 3 > /proc/sys/vm/drop_caches

Source: fosslinux.com

Linux memory cache clear

# clear pagecache only.
sync; echo 1 > /proc/sys/vm/drop_caches

# clear dentries and inodes.
sync; echo 2 > /proc/sys/vm/drop_caches

# clear pagecache, dentries and inodes.
sync; echo 3 > /proc/sys/vm/drop_caches

Remove all cache ubuntu

$ sudo apt-get clean

How to clear all the caches in ubuntu

sudo apt-get clean

Source: askubuntu.com

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