What are all these default users in /etc/passwd?
Can anyone point me to a good resource or reference out there which will help me determine the purpose of each user which is built on my Fedora, SuSE, ubuntu, etc. distros? Some of my servers need to be secured, and I'd like to disable or userdel some accounts if they're not needed. But, how do I know which ones are needed?
Some are obvious, like sshd, while others are not so obvious, such as sync or games. Seems like I could userdel games, but I'm not sure. Same for many other accounts.
Anyone know of a good reference that identifies the purpose of all these accounts?
Thanks for any help!