NervOS is a shell application for PSP.

Changes:

– Checks if you have more than 74% of battery, if you don’t, it tells you to press X to shut down or [] to continue.
– Checks if you have enough free space in your memory stick.
– Improved Installation and Uninstallation systems
– After any process is run it tells you to press X to shut down instead of continuing.
– Does not auto edit vsh.txt anymore (you must do it manually, this was proabably causing the memory stick problem)

http://forums.qj.net/f-psp-development-forum-11/t-update-nervos-20-140444.html