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-rw-r--r--man/kernel-install.xml5
1 files changed, 4 insertions, 1 deletions
diff --git a/man/kernel-install.xml b/man/kernel-install.xml
index d7e27de758..4a8a46cef4 100644
--- a/man/kernel-install.xml
+++ b/man/kernel-install.xml
@@ -72,9 +72,12 @@
in <filename>/usr/lib/kernel/install.d/</filename>. This can be used to override a system-supplied
executables with a local file if needed; a symbolic link in <filename>/etc/kernel/install.d/</filename>
with the same name as an executable in <filename>/usr/lib/kernel/install.d/</filename>,
- pointing to /dev/null, disables the executable entirely. Executables must have the
+ pointing to <filename>/dev/null</filename>, disables the executable entirely. Executables must have the
extension <literal>.install</literal>; other extensions are ignored.</para>
+ <para>An executable should return <constant>0</constant> on success. It may also
+ return <constant>77</constant> to cause the whole operation to terminate
+ (executables later in lexical order will be skipped).</para>
</refsect1>
<refsect1>