Things I Needed To Know

Problem: USB flash drive is mounting as read-only, making it useless.

Solution:
0. get root permissions, su root, or run everything through sudo
1. umount the drive
2. df -h to find your drive
3. fsck -a /dev/sdb
4. mount -t vfat /dev/sdb /home/user/folder

Be happy, you can write again!