Bukkit

SimplyPerms, like PermissionsBukkit uses the command /permissions, with aliases /perms, /perm, /p.

• /permissions reload - reload the configuration from disk.
• /permissions check [player] - check if a player or the sender has a permission (any plugin).
• /permissions info - prints information on a specific permission.
• /permissions dump [player] [page] - prints info about a player's (or the sender's) permissions.
• /permissions group - list group-related commands.
• /permissions group list - list all groups.
• /permissions group players - list players in a group.
• /permissions group setperm <[world:]node> [true|false] - set a permission on a group.
• /permissions group unsetperm <[world:]node> - unset a permission on a group.
• /permissions player - list player-related commands.
• /permissions player groups - list groups a player is in.
• /permissions player setgroup - set a player to be in only the given groups.
• /permissions player addgroup - add a player to a group.
• /permissions player removegroup - remove a player from a group.
• /permissions player setperm <[world:]node> [true|false] - set a permission on a player.
• /permissions player unsetperm <[world:]node> - unset a permission on a player.

But with 2 new commands :

• /permissions player remove - remove a player completly (include groups and permissions) from the config.
• /permissions import [type] - import players data from database or others permissions plugins

All commands have in-game help and are usable from the server console.
The permissions for this commands is the same than PermissionsBukkit.