Merge pull request #70 from noamross/gh-pages

Changing <img> tags to markdown

01-filedir.md

@@ -99,7 +99,7 @@ Inside that directory are several other directories:
 `tmp` (for temporary files that don't need to be stored long-term),
 and so on:
 
-<img src="fig/filesystem.svg" alt="The Filesystem" />
+![The Filesystem](fig/filesystem.svg)
 
 We know that our current working directory `/users/nelle` is stored inside `/users`
 because `/users` is the first part of its name.
@@ -114,7 +114,7 @@ Wolfman's in `/users/larry`,
 and ours in `/users/nelle`,
 which is why `nelle` is the last part of the directory's name.
 
-<img src="fig/home-directories.svg" alt="Home Directories" />
+![Home Directories](fig/home-directories.svg)
 
 > Notice that there are two meanings for the `/` character.
 > When it appears at the front of a file or directory name,
@@ -133,7 +133,7 @@ data       north-pacific-gyre  solar.pdf
 Desktop    notes.txt           writing
 ~~~
 
-<img src="fig/homedir.svg" alt="Nelle's Home Directory" />
+![Nelle's Home Directory](fig/homedir.svg)
 
 `ls` prints the names of the files and directories in the current directory in alphabetical order,
 arranged neatly into columns.
@@ -418,7 +418,7 @@ and so on.
 This is called **tab completion**,
 and we will see it in many other tools as we go on.
 
-<img src="fig/filesystem-challenge.svg" alt="Filesystem for Challenge Questions" />
+![Filesystem for Challange Questions](fig/filesystem-challenge.svg)
 
 > ## Relative path resolution {.challenge}
 >

02-create.md

@@ -112,7 +112,7 @@ $ nano draft.txt
 Let's type in a few lines of text,
 then use Control-O to write our data to disk:
 
-<img src="fig/nano-screenshot.png" alt="Nano in Action" />
+![Nano in action](nano-screenshot.png)
 
 Once our file is saved,
 we can use Control-X to quit the editor and return to the shell.

06-find.md

@@ -194,7 +194,7 @@ Again,
 it has a lot of options;
 to show how the simplest ones work, we'll use the directory tree shown below.
 
-<img src="fig/find-file-tree.svg" alt="File Tree for Find Example" />
+![File Tree for Find Example](fig/find-file-tree.svg)
 
 Nelle's `writing` directory contains one file called `haiku.txt` and four subdirectories:
 `thesis` (which is sadly empty),