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# Commands and Features
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Please make sure you've gone through the following pages firstly:
* [Compilation Instructions ](/doc/md/Use_of_Proxmark/0_Compilation-Instructions.md )
* [Validating proxmark client functionality ](/doc/md/Use_of_Proxmark/1_Validation.md )
* [First Use and Verification ](/doc/md/Use_of_Proxmark/2_Configuration-and-Verification.md )
## To get interactive help
As seen before, for basic help type `help` . Or for help on a set of sub commands type the command followed by `help` . For example `hf mf help` . Many commands uses the `h` parameter to show a help text.
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## New Features in RDV4
Further details coming soon
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## Useful commands
Here are some commands to start off with.
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To get an overview of the available commands for LF RFID and HF RFID:
```
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[usb] pm3 --> lf
[usb] pm3 --> hf
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```
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To search quickly for known LF or HF tags:
```
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[usb] pm3 --> lf search
[usb] pm3 --> hf search
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```
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To get info on a ISO14443-A tag:
```
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[usb] pm3 --> hf 14a info
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```
