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FREE
Section: Linux User's Manual (1)
Updated: 18 Nov 2002
Index
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 following 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 specified, 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>.
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- OPTIONS
-
- FILES
-
- SEE ALSO
-
- AUTHORS
-
Created from the Linux Online Manual Pages
August 23, 2005 by The Linux Information Project
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