[TUHS] tabs vs spaces - entab, detab

John P. Linderman jpl.jpl at gmail.com
Fri Mar 5 07:48:36 AEST 2021

Appropos my "laughably small" disk space comment, here's a snippet from

       -m reserved-blocks-percentage
              Specify the percentage of the filesystem blocks reserved for
              super-user.   This  avoids  fragmentation, and allows
              daemons, such as syslogd(8), to continue to  function
              after non-privileged processes are prevented from writing to
              filesystem.  The default percentage is 5%.

I have several 12 TB disks scattered about my house. 5% of 12TB is 600GB.
I'm pretty confident that all the spinning (no, tapes aren't spinning)
storage at all of Bell Labs in 1975 was less than the reserved space for
one of my disks. FWIW, I set "-m 0" for honker disks. -- jpl
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