This plugin restores the display of post IDs in the Manage Posts screen, which was removed around version 2.5 or so.
What this Plugin Makes Possible
For a huge number of reasons, it’s still useful to have quick and easy access — at a glance, without mousing around and watching hover text — to an individual post’s ID. If you find that the “simplification” of the admin interface which resulted in hiding the post ID actually winds up costing you time, this plugin can help by putting the post ID column right back where it used to be.
The plugin is lightweight, with just a few lines of easily modified code.
How it Works
This plugin communicates with WordPress primarily by tapping into the following:
No administrator time is required — just plug and play!