dphys-swapfile is a script in Debian-based distribution that is used to manage the system’s swap space. This script is responsible for creating, configuring, and removing the swap file on the system. The dphys-swapfile command can be used to configure the amount of swap space on the system, and to enable or disable the swap file. The dphys-swapfile command can also be used to check the current status of the swap file, including the size of the swap file, and the amount of swap space currently in use.
For example, the command “sudo dphys-swapfile swapoff” will turn off the swap file and “sudo dphys-swapfile swapon” will turn on the swap file again. “sudo dphys-swapfile status” will give you the current status of the swap file, and “sudo dphys-swapfile uninstall” will remove the swap file entirely.
dphys-swapfile Command Examples
1. Disable the swap file:
# dphys-swapfile swapoff
2. Enable the swap file:
# dphys-swapfile swapon
3. Create a new swap file:
# dphys-swapfile setup