free(1) [redhat man page]

FREE(1) 							Linux User's Manual							   FREE(1)

NAME

       free - display information about free and used memory on the system

SYNOPSIS

       free [-b|-k|-m|-g] [-l] [-o] [-t] [-s delay ] [-c count ]

DESCRIPTION

       free(1)	displays the total amount of free and used physical memory and swap space in the system, as well as the buffers and cache consumed
       by the kernel.

OPTIONS

       Normal invocation of free(1) does not require any options.  The output, however, can be fine-tuned by specifying one or more of the follow-
       ing flags:

       -b, --bytes
	      Display output in bytes.

       -k, --kb
	      Display output in kilobytes (KB).  This is the default.

       -m, --mb
	      Display output in megabytes (MB).

       -g, --gb
	      Display output in gigabytes (GB).

       -l, --lowhigh
	      Display detailed information about low vs. high memory usage.

       -o, --old
	      Use old format.  Specifically, do not display -/+ buffers/cache.

       -t, --total
	      Display total summary for physical memory + swap space.

       -c n, --count=n
	      Display statistics n times, then exit.  Used in conjunction with the -s flag.  Default is to display only once, unless -s was speci-
	      fied, in which case default is to repeat until interrupted.

       -s n, --repeat=n
	      Repeat, pausing every n seconds in-between.

       -V, --version
	      Display version information and exit.

       --help Display usage information and exit

FILES

       /proc/meminfo -- memory information

SEE ALSO

       ps(1), top(1), vmstat(1)

AUTHORS

       Written by Robert Love.

       The procps package is maintained by Rik van Riel and Robert Love and was created by Michael Johnson.

       Send bug reports to <procps-list@redhat.com>.

Linux								    18 Nov 2002 							   FREE(1)

FREE(1) 							   User Commands							   FREE(1)

NAME

       free - Display amount of free and used memory in the system

SYNOPSIS

       free [options]

DESCRIPTION

       free  displays  the  total  amount of free and used physical and swap memory in the system, as well as the buffers used by the kernel.  The
       shared memory column should be ignored; it is obsolete.

OPTIONS

       -b, --bytes
	      Display the amount of memory in bytes.

       -k, --kilo
	      Display the amount of memory in kilobytes.  This is the default.

       -m, --mega
	      Display the amount of memory in megabytes.

       -g, --giga
	      Display the amount of memory in gigabytes.

       --tera Display the amount of memory in terabytes.

       -h, --human
	      Show all output fields automatically scaled to shortest three digit unit and display the units of print out.   Following	units  are
	      used.

		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 header.

       -c, --count count
	      Display the result count times.  Requires the -s option.

       -l, --lohi
	      Show detailed low and high memory statistics.

       -o, --old
	      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 actually specify any floating point number for delay, usleep(3) is
	      used for microsecond resolution delay times.

       --si   Use power of 1000 not 1024.

       -t, --total
	      Display a line showing the column totals.

       --help Print help.

       -V, --version
	      Display version information.

FILES

       /proc/meminfo
	      memory information

SEE ALSO

       ps(1), slabtop(1), top(1), vmstat(8).

AUTHORS

       Written by Brian Edmonds.

REPORTING BUGS

       Please send bug reports to <procps@freelists.org>

procps-ng							  September 2011							   FREE(1)