fs: update header of some commands

git-svn-id: svn+ssh://atelier.inf.usi.ch/home/bevilj/group-1@129 a672b425-5310-4d7a-af5c-997e18724b81

site/pages/fs/CD.html

@@ -1,13 +1,13 @@
 ---
 layout: page
-category_title: file system
-category-page: navigation
-tags: lS
+category-title: fs
+category-page: FileSystem
+tags: change directory
 author: Mirko Ponzio
-title: CD
+title: cd
 ---
-<h1> CD, change directory</h1>
-<h2> what is CD<h2>
+<h1> cd, change directory</h1>
+<h2> what is cd<h2>
 
 <p> Nei sistemi operativi Unix e Unix-like, e più in generale nei sistemi POSIX[1], cd (abbreviazione dalla lingua inglese di change directory,
 cambia directory) è un comando interno delle shell testuali che cambia la directory corrente della shell da cui viene eseguito. <br><br>
@@ -33,7 +33,7 @@ shell in the recreated directory. </li>
   \you can type cd - to go back to /usr/bin/tmp. You can use this to toggle back and forth between two directories. </li>
 </ul>
 
-<h2> sintax of CD </h2>
+<h2> sintax of cd </h2>
 <p>
 La sintassi generale di cd è la seguente:
 

site/pages/fs/LS.html

@@ -1,10 +1,10 @@
 ---
 layout: page
-category_title: file system
-category-page: navigation
-tags: lS
+category-title: fs
+category-page: FileSystem
+tags: list file
 author: Mirko Ponzio
-title: LS
+title: ls
 ---
 <p>
 <h1>LS, list directory contents</h1>

site/pages/fs/mkdir.html

@@ -1,7 +1,7 @@
 ---
 layout: page
-category_title: file system
-category-page: navigation
+category-title: fs
+category-page: FileSystem
 tags: lS
 author: Mirko Ponzio
 title: PWD