Getting readySystem navigational command – change your directory – cdHow to do it…There's more…System navigational command – show your current directory – pwdHow to do it…System navigational command – find a file – findHow to do it…Device and system insight – shows what's inside a directory – lsHow to do it…Device and system insight – find out what USB devices are connected – lsusbHow to do it…Device and system insight – get information about connected devices – cat/proc/bus/input/devicesHow to do it…There's more…Device and system insight – get your version of LinuxHow to do it…Device and system insight – find out running processes – psHow to do it…Device and system insight – find out the resources used by running processes – top and htopHow to do it…Device and system insight – quitting processes – killHow to do it…Device and system insight – message reports – dmesgHow to do it…Device and system insight – shows disk space – df -hHow to do it…Device and system insight – explore network – IfconfigHow to do it…Modify content / data commands – make a new directory – mkdirHow to do it…Modify content/data commands – remove a file or directory – rmHow to do it…Modify content / data commands – download files – wgetHow to do it…There's more…Modify content / data commands – open a tar file – tar [options]How to do it…There's more…Modify content / data commands – clean up files – autocleanHow to do it…Modify content / data commands – purge a package – apt-get purge, apt-get remove --purgeHow to do it…Modify content/data commands – shutdown the system – [options]How to do it…See also