diff --git a/libr/core/cmd_log.c b/libr/core/cmd_log.c
index 16b13f9aa0..7815e864dd 100644
--- a/libr/core/cmd_log.c
+++ b/libr/core/cmd_log.c
@@ -388,6 +388,9 @@ static int cmd_plugins(void *data, const char *input) {
 			pj_free (pj);
 			break;
 			}
+		case ' ':
+			r_lib_open (core->lib, r_str_trim_head_ro (input + 2));
+			break;
 		case 0:
 			r_lib_list (core->lib);
 			r_list_foreach (core->rcmd->plist, iter, cp) {
@@ -395,7 +398,7 @@ static int cmd_plugins(void *data, const char *input) {
 			}
 			break;
 		default:
-			eprintf ("oops\n");
+			r_core_cmd_help (core, help_msg_L);
 			break;
 		}
 		}
diff --git a/sys/jam.sh b/sys/jam.sh
deleted file mode 100755
index 0087329af3..0000000000
--- a/sys/jam.sh
+++ /dev/null
@@ -1,30 +0,0 @@
-#!/bin/sh
-
-# shellcheck disable=SC2046
-rm -rf $(find ./*| grep bin/darwin)
-cd shlr
-for a in ./* ; do
- if [ -e "$a/Jamroot" ]; then
-   cd "$a" || exit 1
-   bjam -j4
-   cd ..
- fi
-done
-cd ../libr
-for a in ./* ; do
- if [ -e "$a/Jamroot" ]; then
-   cd "$a" || exit 1
-   bjam -j4
-   cd ..
- fi
-done
-
-cd ..
-cd binr
-for a in ./* ; do
- if [ -e "$a/Jamroot" ]; then
-   cd "$a" || exit 1
-   bjam -j4
-   cd ..
- fi
-done
diff --git a/sys/maemo.sh b/sys/maemo.sh
deleted file mode 100755
index 69961119c7..0000000000
--- a/sys/maemo.sh
+++ /dev/null
@@ -1,12 +0,0 @@
-#!/bin/sh
-mad list >/dev/null 2>&1
-if [ $? = 0 ]; then
-	make clean
-	echo './configure --prefix=/usr' | mad sh
-	echo make | mad sh
-	cd maemo
-	make
-else
-	echo "Cannot find 'mad'. Please install QtSDK or QtCreator"
-	exit 1
-fi