Linux SRV-16 6.18.44-paas #1 SMP PREEMPT_DYNAMIC Thu Aug 13 10:08:12 UTC 2026 x86_64

//proc/thread-self/root/etc/rcS.d/README

 The scripts in this directory whose names begin with an 'S' are
executed once when booting the system, even when booting directly into
single user mode.

The scripts are all symbolic links whose targets are located in
/etc/init.d/ .

To disable a script in this directory, rename it so that it begins
with a 'K' and run 'update-rc.d script defaults' to update the order
using the script dependencies.

For more information see /etc/init.d/README.