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

//lib/systemd/system-generators/friendly-recovery

 #!/bin/sh
set -e
[ ! -e /run/friendly_recovery.resume ]
normaldir=$1
earlydir=$2
latedir=$3
set -- $(cat /proc/cmdline)
for cmdline_arg in "$@"; do
	if [ "$cmdline_arg" = "recovery" ]
	then
		ln -sf /lib/systemd/system/friendly-recovery.target $earlydir/default.target
		break
	fi
done