diff --git a/src/apps/system/sertexID.lua b/src/apps/system/sertexID.lua
new file mode 100644
index 0000000..bb3bc13
--- /dev/null
+++ b/src/apps/system/sertexID.lua
@@ -0,0 +1,22 @@
+local function clear()
+  term.setBackgroundColor(colors.white)
+  term.setTextColor(colors.black)
+  term.clear()
+  term.setCursorPos(1,1)
+end
+
+local function header()
+	clear()
+	local w, h = term.getSize()
+	paintutils.drawLine(1,1,w,1, colors.gray)
+	term.setTextColor(colors.white)
+	term.setCursorPos(1,1)
+	write(" "..sPhone.user)
+	term.setCursorPos(w,1)
+	write("X")
+	term.setCursorPos(1,2)
+	term.setBackgroundColor(colors.white)
+	term.setTextColor(colors.black)
+end
+
+header()