1. rm -rf CommandThe rm -rf command is one of the fastest way to delete a folder and its contents. But a little typo or ignorance may result into unrecoverable system damage. The some of options used with rm command are. rm command in Linux is used to delete files. rm -r command deletes the folder recursively, even the empty folder. rm -f command removes ‘Read only File’ without asking. rm -rf / : Force deletion of everything in root directory. rm -rf * : Force deletion of everything in current directory/working directory. rm -rf . : Force deletion of current folder and sub folders.
Read on, source: 10 Most Dangerous Commands – You Should Never Execute On Linux
The Debian project is touting new ports for ARM and POWER architectures, a bunch of software updates, an upgraded Gnome desktop and better security in its just-unleashed Jessie release.However, El Reg fully expects that the switch to systemd as the default init system will divert at least some attention from the release.Promising that systemd provides “advanced monitoring, logging, and service management capabilities”, Jessie – the upgrade to Wheezy – still lets the greaybeards’ favourite, sysvinit, co-exist with the new init system.After a brief affair with Xfce, Jessie sees Debian return to the Gnome fold, using version 3.14 of the venerable desktop as its default. The MATE and Cinnamon desktops are also available, or users can opt for Xcfe (version 4.10) if they prefer.
Read on, source: Debian ships new ‘Jessie’ release with systemd AND sysvinit • The Register