Computer Science
FREE(1) Linux User's Manual FREE(1)
NAME
free - Display amount of free and used memory in the sys-
tem
SYNOPSIS
free [-b | -k | -m] [-o] [-s delay ] [-t] [-V]
DESCRIPTION
free displays the total amount of free and used physical
and swap memory in the system, as well as the shared mem-
ory and buffers used by the kernel.
Options
The -b switch displays the amount of memory in bytes; the
-k switch (set by default) displays it in kilobytes; the
-m switch displays it in megabytes.
The -t switch displays a line containing the totals.
The -o switch disables the display of a "buffer adjusted"
line. Unless specified free subtracts/adds buffer memory
from/to the used/free memory reports (respectively!).
The -s switch activates continuous polling delay seconds
apart. You may actually specify any floating point number
for delay, usleep(3) is used for microsecond resolution
delay times.
The -V displays version information.
FILES
/proc/meminfo-- memory information
SEE ALSO
ps(1), top(1)
AUTHORS
Written by Brian Edmonds.
Send bug reports to <procps-bugs@redhat.com>
Cohesive Systems 20 Mar 1993 1
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