1 files changed, 13 insertions, 0 deletions
diff --git a/rc/bin/inst/isventiisect b/rc/bin/inst/isventiisect
new file mode 100755
index 000000000..0b11c9c4e
--- /dev/null
+++ b/rc/bin/inst/isventiisect
@@ -0,0 +1,13 @@
+#!/bin/rc
+
+if(! ~ $#* 1){
+	echo 'usage: isventiisect /dev/sdC0/part' >[1=2]
+	exit usage
+}
+
+arg=$1
+if(! cmp -s <{dd -quiet 1 -if $arg -bs 1024 -iseek 256 |
+	dd -quiet 1 -bs 4 -count 1 | xd -b | sed 1q} <{echo '0000000  d1 5c 5e c7'})
+	exit notisect
+exit 0
+