Linux puskom-ProLiant-DL385-Gen10 5.4.0-150-generic #167~18.04.1-Ubuntu SMP Wed May 24 00:51:42 UTC 2023 x86_64

//sbin/acpi_available

 #!/bin/sh -e

if [ "$@" ]; then
  echo "Usage: $0"
  exit 2
fi

if [ -d /proc/acpi/ ]; then
  exit 0
fi

exit 1