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The /run file system was introduced to keep all the information related to the current boot sequence and can be reset at boot time. Having this in mind, isn't it a good idea to use a ram disk instead of a real partition on the hard disk?

Some of the pros I can think of is increased speed and less read and write cycles for the disk. And the only con I can think of would be RAM usage for systems with small amount of RAM.

  • isn't "/run" a tmpfs and therefore a "ramdisk" by definition? AFAIK, tmpfs is volatile memory, and not persistent. – Yorik May 6 '16 at 19:56
  • I couldn't find any requirement for it being a tmpfs in Filesystem Hierarchy Standard (refspecs.linuxfoundation.org/FHS_3.0/fhs-3.0.pdf) – Scarlet May 6 '16 at 20:15
  • Sure, it isn't required by the FHS. But pretty much all distros use tmpfs for /run out of the box. – Zoredache May 6 '16 at 22:22
  • Thanks, I thought it was normally on the HDD, then it makes sense. – Scarlet May 7 '16 at 7:13

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