Excluding temporary user accounts from Time Machine back-ups

I have some temporary user accounts in addition to the default Guest account on my iMac. I currently have Time Machine backing up my entire system (the default TM setup). However, I'd like back up only my admin and permanent user accounts from now on.
Having done a little research, I believe I have the answer but want to make sure I'm including all the relevant directories. I believe the answer is to add the specific user folders to TM Preferences > Options > Do Not Backup. e.g., if my hard disk is named "MacintoshHD" and I want Users 'Account1' and 'Account2' to be excluded from all future TM backups, I would add these folders to the Do Not Backup folder:
/MachintoshHD/Users/Account1
/MachintoshHD/Users/Account2
So 2 questions:
1. Are these the right folders to make sure Account1 and Account2 are never backed up in the future?
2. Are there any other folders that i am overlooking?
Is that correct? Thanks in advance for your help!

Jeff Hwang wrote:
I have some temporary user accounts in addition to the default Guest account on my iMac. I currently have Time Machine backing up my entire system (the default TM setup). However, I'd like back up only my admin and permanent user accounts from now on.
Having done a little research, I believe I have the answer but want to make sure I'm including all the relevant directories. I believe the answer is to add the specific user folders to TM Preferences > Options > Do Not Backup. e.g., if my hard disk is named "MacintoshHD" and I want Users 'Account1' and 'Account2' to be excluded from all future TM backups, I would add these folders to the Do Not Backup folder:
/MachintoshHD/Users/Account1
/MachintoshHD/Users/Account2
So 2 questions:
1. Are these the right folders to make sure Account1 and Account2 are never backed up in the future?
yes.
2. Are there any other folders that i am overlooking?
no, those are the only folders you need to exclude.
Is that correct? Thanks in advance for your help!

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