Practice until you can't make it wrong.
Practice until you can't make it wrong.
Example of creating a 1.5GB swap partition on Arch Linux
fallocate -l 1536M /swapfile dd if=/dev/zero of=/swapfile bs=1M count=1536 status=progress chmod 600 /swapfile mkswap /swapfile swapon /swapfile
Edit /etc/fstab file
... /swapfile none swap defaults 0 0
Mount partition
# mount -a