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-rw-r--r--docs/bootup.md3
1 files changed, 3 insertions, 0 deletions
diff --git a/docs/bootup.md b/docs/bootup.md
index 1f107bd..bd2b80e 100644
--- a/docs/bootup.md
+++ b/docs/bootup.md
@@ -69,3 +69,6 @@ If a single command line returns something other than `EXIT_SUCCESS`,
processing of multiple command lines is immediately stopped and the offending
exit status is returned to init.
+
+The init process reads environment variables from `/etc/initd.env`.
+