How to add a moderator?

Copy & pasted directly from the manual (https://www.minibb.com/forums/manual.html#modsarray):
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Moderators definition. Moderators are people who can help admin in managing forums (read more in moderators section. Variable $mods=array(); in bb_specials.php defines the the array of forum/user IDs which have moderators possibilities.

Example:

$mods=array(
1=>array(9,996),
2=>array(9)
);
means that user with ID = 9 is the moderator for forums with IDs 1 and 2, and user 996 is moderator for forum 1.

Moderators have access only to specified forum.
---

Please check the manual next time before you post. Usually you'll get your answer faster that way.

Thank you

can a moderator modify and delete a post? and how?

Log-in under moderator account, and near each message, you will see modification commands right away. Read about moderators possibilities in manual.

I did what the manual says, but when I login as a moderator I don't see any modification commands, why? anything wrong with my settings?
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$userRanks=array(2=>'Moderator', 3=>'Tutor');

$mods=array(
1=>(2),
3=>(2),
4=>(2),
5=>(2),
6=>(2)
);

To set user ID#2 as the moderator for forums ID#1-6:

$mods=array(
1=>array(2),
2=>array(2),
3=>array(2),
4=>array(2),
5=>array(2),
6=>array(2)
);

All the best,
marsbar

thanks