New answers tagged


/dev/shm - shared memory, is used for programs to share things on the RAM. /run - it contains small files, with information about programs in execution, is usefully for example, when a program cant be run twice, so the executing program can alert a second program preventing it to be executed, and other things. /sys/fs/cgroups -


There is nothing abnormal about having tmpfs filesystems in your Linux box. tmpfs is a memory only filesystem, much like the "RAM disks" of other operating systems. As the name implies, the content lives in RAM, so it goes away after a reboot. It is also extremely fast. tmpfs is commonly used in situations where you don't care about the contents of a ...

Top 50 recent answers are included