diff --git a/Software/Development/OperatingSystem/Linux/User/Linux_常用目录集合.md b/Software/Development/OperatingSystem/Linux/User/Linux_常用目录集合.md
index 943635a..aab9c3d 100644
--- a/Software/Development/OperatingSystem/Linux/User/Linux_常用目录集合.md
+++ b/Software/Development/OperatingSystem/Linux/User/Linux_常用目录集合.md
@@ -1,10 +1,13 @@
-# Linux 常用目录集合
+# Linux 常用目录/文件集合
 
-| Directory               | Descriptions       |
-|-------------------------|--------------------|
-| /etc/systemd/system     | Systemd unit files |
-| /sys/firmware           | Device Tree 目录展开 |
-| /usr/lib/systemd/system | Systemd unit files |
-| /usr/share/applications | Desktop Entry 文件 (*.desktop) |
-| /usr/share/icons        | 图标文件 |
-| /usr/share/mime         | MIME配置文件放在 |
+| Directory                                      | Descriptions       |
+|------------------------------------------------|--------------------|
+| /etc/systemd/system                            | Systemd unit files |
+| /sys/firmware                                  | Device Tree 目录展开 |
+| /usr/lib/systemd/system                        | Systemd unit files |
+| /usr/share/applications                        | Desktop Entry 文件 (*.desktop) |
+| /usr/share/icons                               | 图标文件 |
+| /usr/share/mime                                | MIME配置文件放在 |
+| /sys/class/drm/card\<n\>-\<Type\>-\<n\>/status | 显示设备状态 |
+| /sys/class/drm/card\<n\>-\<Type\>-\<n\>/modes  | 显示设备所支持的显示模式 |
+| /sys/class/drm/card\<n\>-\<Type\>-\<n\>/edid   | 如果包含 EDID，此节点为映射的 EDID 文件|