devshm
devshm, commonly referred to as /dev/shm, is a temporary in-memory filesystem used on many Unix-like systems, notably Linux. It is mounted as a tmpfs filesystem at the path /dev/shm and serves as a location for temporary files and for POSIX shared memory objects created with shm_open or related interfaces. Data stored in /dev/shm resides in RAM (and may be swapped if swap is enabled) and is not preserved across reboots.
As a tmpfs-backed filesystem, /dev/shm uses system memory as its storage pool. The size of the mounted
Common usage includes storing large temporary files for applications, buffering data, and providing fast IPC through
Management tips include checking size and usage with df -h /dev/shm, remounting or resizing with mount -o