getty: extend its config help

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 13 insertions, 1 deletions

diff --git a/loginutils/Config.src b/loginutils/Config.src
index 4c771bbc4..897d8fb0c 100644
--- a/loginutils/Config.src
+++ b/loginutils/Config.src
@@ -181,7 +181,19 @@ config GETTY
         default y
         select FEATURE_SYSLOG
         help
-          getty lets you log in on a tty, it is normally invoked by init.
+          getty lets you log in on a tty. It is normally invoked by init.
+
+          Note that you can save a few bytes by disabling it and
+          using login applet directly.
+          If you need to reset tty attributes before calling login,
+          this script approximates getty:
+
+          exec </dev/$1 >/dev/$1 2>&1 || exit 1
+          stty sane; stty ispeed 38400; stty ospeed 38400
+          reset
+          printf "%s login: " "`hostname`"
+          read -r login
+          exec /bin/login "$login"
 
 config LOGIN
         bool "login"