diff --git a/Makefile b/Makefile
index 0b83c63..d41cb87 100644
--- a/Makefile
+++ b/Makefile
@@ -7,6 +7,18 @@ endef
 base:
 	$(call vinstall,base-system)
 
+mnt-system:
+	mount -t proc proc $(MNTDIR)/proc
+	mount -t sysfs sys $(MNTDIR)/sys
+	mount -o bind /dev $(MNTDIR)/dev
+	mount -t devpts pts $(MNTDIR)/dev/pts
+
+umnt-system:
+	umount $(MNTDIR)/proc
+	umount $(MNTDIR)/sys
+	umount $(MNTDIR)/dev/pts
+	umount $(MNTDIR)/dev
+
 tools:
 	$(call vinstall,base-devel git tcc wget vim-x11 tmux)