What is "/dev/shm" and do I need it??
My Dell PowerEdge 6600 came preloaded with Linux Enterprise AS 2.1. I noticed that I have a file system /dev/shm loaded and preallocated about 1.0Gb of the virual memory. My questions is, do I need this /dev/shm file system? Currently, I've unmounted the file system, but have not removed from the fstab. Does anyone know why we have this file system mounted and have no files/folders in it. Please help!!
Thank you in advance. Scott |
ipc = interprocess communication.
shm = shared memory i did not know the answer to this, but it looked interesting, so I googled "linux /dev/shm" which led me to http://linuxfromscratch.org/pipermai...er/039568.html a bit hairy, but there are probably other hits that explain better You can "man ipcs", ipcs -m to see which processes are using shared memory, which, I currently think. is probably not /dev/shm |
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