<P> In the arcade game In the Groove and more commonly In The Groove 2, flash drives are used to transfer high scores, screenshots, dance edits, and combos throughout sessions . As of software revision 21 (R21), players can also store custom songs and play them on any machine on which this feature is enabled . While use of flash drives is common, the drive must be Linux compatible . </P> <P> In the arcade games Pump it Up NX2 and Pump it Up NXA, a specially produced flash drive is used as a "save file" for unlocked songs, as well as for progressing in the WorldMax and Brain Shower sections of the game . </P> <P> In the arcade game Dance Dance Revolution X, an exclusive USB flash drive was made by Konami for the purpose of the link feature from its Sony PlayStation 2 counterpart . However, any USB flash drive can be used in this arcade game . </P> <P> Flash drives use little power, have no fragile moving parts, and for most capacities are small and light . Data stored on flash drives is impervious to mechanical shock, magnetic fields, scratches and dust . These properties make them suitable for transporting data from place to place and keeping the data readily at hand . </P>

What is a pen drive explain its usage