...
The 'usb' command uses the 'lsusb' utility to display the device USB information.
Tar
tar/<path to directory> - to generate a tarfile of the directory
e.g. tar//persist/agentdebug -- download the tarfile persist.agentdebug.<time>.tar of that directory
The 'tar' command generates a tar file from the directory on a remote device with the given path. It will deposit the tar file in the mounted directory on the user's laptop for downloading files. This command allows the directory with data up to 512 MBytes. Certain directories may have user sensitive data and can not be tarred, e.g. '/persist/vault', '/persist/clear' and '/run/domainmgr/cloudinit'. The files with file name ends with '.key.pem' and '.key' will not be included in the tar file.
Techsupport
For the details of 'techsupport' command, see section Tech-Support Command.
...