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In the symbol bar for default directory rules, you will find buttons for frequently used commands:
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The symbols are as follows (in the correct order):
Find (in all columns)
 | Expand all rules |
 | Collapse all rules |
 | Move rule a level up |
 | Move rule a level down |
 | Move rule up in the sequence |
 | Move rule down in the sequence |
 | Add rule (as last child of the currently selected rule) |
 | Delete rule (including subordinate rules) |
 | Cut objects |
 | Copy objects |
 | Paste objects |
 | Edit |