Add Linux basics mindmap

imgs/linux_filesystem.svg

@@ -0,0 +1,30 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="1200" height="760" viewBox="0 0 1200 760" role="img" aria-labelledby="title desc">
+  <title id="title">Linux filesystem</title>
+  <desc id="desc">Linux directory tree with root, home, etc, var, usr, and mount points.</desc>
+  <rect width="1200" height="760" fill="#f5f9ff"/>
+  <text x="90" y="120" font-family="Segoe UI, Arial, sans-serif" font-size="50" font-weight="800" fill="#12345b">Linux 파일 시스템</text>
+  <text x="90" y="170" font-family="Segoe UI, Arial, sans-serif" font-size="24" fill="#526173">모든 것은 루트 / 아래의 경로로 연결되고, 장치도 마운트 지점에 붙습니다.</text>
+  <g stroke="#9ab8dc" stroke-width="5" fill="none">
+    <path d="M600 220 V330"/>
+    <path d="M600 330 H240 V450"/>
+    <path d="M600 330 H430 V450"/>
+    <path d="M600 330 V450"/>
+    <path d="M600 330 H770 V450"/>
+    <path d="M600 330 H960 V450"/>
+  </g>
+  <g font-family="Segoe UI, Arial, sans-serif" font-size="28" font-weight="800" text-anchor="middle">
+    <rect x="520" y="190" width="160" height="70" rx="16" fill="#12345b"/>
+    <text x="600" y="238" fill="#fff">/</text>
+    <rect x="150" y="450" width="180" height="90" rx="18" fill="#e8f1ff"/>
+    <text x="240" y="505" fill="#12345b">/home</text>
+    <rect x="340" y="450" width="180" height="90" rx="18" fill="#ecfdf5"/>
+    <text x="430" y="505" fill="#12345b">/etc</text>
+    <rect x="510" y="450" width="180" height="90" rx="18" fill="#fff7ed"/>
+    <text x="600" y="505" fill="#12345b">/var</text>
+    <rect x="680" y="450" width="180" height="90" rx="18" fill="#f4f0ff"/>
+    <text x="770" y="505" fill="#12345b">/usr</text>
+    <rect x="870" y="450" width="180" height="90" rx="18" fill="#ecfeff"/>
+    <text x="960" y="505" fill="#12345b">/mnt</text>
+  </g>
+  <text x="90" y="650" font-family="Segoe UI, Arial, sans-serif" font-size="25" fill="#526173">숨김 파일은 점(.)으로 시작하고, 설정 파일은 보통 홈 디렉터리나 /etc에서 만납니다.</text>
+</svg>