Swap File Installation

dd if=/dev/zero of=/tmp/swap bs=1M count=1024
ls -al /tmp/swap

mkswap /tmp/swap

free -m

swapon /tmp/swap

free -m

swapon -s

vi /etc/fstab
/tmp/swap swap swap defaults 0 0
mount -a

To enable 1G swapfile.

swapoff /tmp/swap
free -m

Tp disable swapfile



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