Hak5 -- Cyber Security Education, Inspiration, News & Community since 2005: ____________________________________________ Several user accounts can exist on one Linux machine, and you can easily create and remove them using these commands. ____________________________________________ Founded in 2005, Hak5's mission is to advance the InfoSec industry. We do this through our award winning educational podcasts, leading pentest gear, and inclusive community – where all hackers belong.