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SKILL.md

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+---
+name: system-info
+description: "快速系统诊断：CPU、内存、磁盘、正常运行时间。"
+metadata:
+  {
+    "openclaw":
+      {
+        "emoji": "💻",
+        "requires": { "bins": ["free"] },
+        "install": [],
+      },
+  }
+---
+
+# System Info
+
+Quick system diagnostics covering CPU, memory, disk, and uptime. Uses standard Linux utilities that are always available.
+
+## Commands
+
+```bash
+# Show all system info (CPU, memory, disk, uptime)
+system-info
+
+# Show CPU information
+system-info cpu
+
+# Show memory usage
+system-info mem
+
+# Show disk usage
+system-info disk
+
+# Show system uptime
+system-info uptime
+```
+
+## Install
+
+No installation needed. `free` and related utilities are always present on the system.