/etc/passwd accounts

Hello All I have been trying to get info on how various programs use the file /etc/passwd but without much success. What I want to know is which accounts in my /etc/passwd file it is safe to delete. I was hoping to find some info on how various programs use this file so that I would better und

/etc/passwd accounts

Hello All I have been trying to get info on how various programs use the file /etc/passwd but without much success. What I want to know is which accounts in my /etc/passwd file it is safe to delete. I was hoping to find some info on how various programs use this file so that I would better un