The text editor box for posts or pages is set to just 10 lines when you install WordPress. While you can adjust the text box size for an individual post or page, if you want the box to always be larger for all users, you can change that default size – here’s how.
WordPress » WordPress 2.7 » WP 2.7 Advanced » WP 2.7 Settings
Currently we’re only covering installed versions of WordPress, but in future we’ll be adding tutorials on the hosted version at WordPress.com.
Videos are classified by WordPress 2.7 or 2.6 mostly because the admin screens look different, so if you don’t see a video on your topic, try looking in the other section or try the alphabetical listing.
KEY: 
You have WP 2.7 if your admin screen looks like this:
WordPress 2.7 
You have WP 2.6 if your admin screen looks like this:
WordPress 2.6 
Administrators Only 
Requires a Plug-in 
Recently Updated
Browser Issues
You have WP 2.7 if your admin screen looks like this:
Adjust the size of the text editor box for all users
You have WP 2.7 if your admin screen looks like this:
Changing the default text editor size doesn’t work
If you’ve changed the default size of the text editor box in your admin settings, but it’s not taking effect, here’s why.
You have WP 2.7 if your admin screen looks like this:
Hiding comments on all posts or pages
If you don’t want to have the comments box available on any of your posts or pages, you can easily do that with one click in the admin Settings area. Here’s how:
You have WP 2.7 if your admin screen looks like this:
Change the default categories for posts or links
If you forget to assign a category to a post or a link, WordPress automatically assigns them to a default category. Here’s how to control those defaults.
You have WP 2.7 if your admin screen looks like this:
Updating your version of WordPress
Like any software, WordPress is constantly being improved and updated. With WordPress 2.7, the process of updating has been greatly eased.
You have WP 2.7 if your admin screen looks like this:
Setting the permalinks style
The default URLs for WordPress posts and pages are not meant to be pretty – either for humans or for search engine robots. So you can change the way permalinks or the permanent direct link for a post or page are displayed.
