free displays the total amount of free and used physical and swap mem-
ory in the system, as well as the buffers used by the kernel. The
shared memory column represents either the MemShared value (2.4 series
kernels) or the Shmem value (2.6 series kernels and later) taken from
the /proc/meminfo file. The value is zero if none of the entries is
exported by the kernel.
Display the amount of memory in bytes.
Display the amount of memory in kilobytes. This is the default.
Display the amount of memory in megabytes.
Display the amount of memory in gigabytes.
--tera Display the amount of memory in terabytes.
Show all output fields automatically scaled to shortest three
digit unit and display the units of print out. Following units
B = bytes
K = kilos
M = megas
G = gigas
T = teras
If unit is missing, and you have petabyte of RAM or swap, the
number is in terabytes and columns might not be aligned with
-c, --count count
Display the result count times. Requires the -s option.
Show detailed low and high memory statistics.
Display the output in old format, the only difference being this
option will disable the display of the "buffer adjusted" line.
-s, --seconds seconds
Continuously display the result delay seconds apart. You may
ps(1), slabtop(1), top(1), vmstat(8).
Written by Brian Edmonds.
Please send bug reports to <firstname.lastname@example.org>
procps-ng September 2011 FREE(1)
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