free.1

.Dd December 30, 2023
.Dt FREE 1
.Os
.Sh NAME
.Nm free
.Nd Display the amount of free and used memory in the system
.Sh SYNOPSIS
.Nm

.Nm
.Fl h

.Nm
.Fl h
.Op Fl s Ar delay

.Nm
.Fl v
.Sh DESCRIPTION
The
.Nm
utility displays the total amount of free and used physical memory in the
system, as well as the active, inactive, and wired page counts.
.Pp
The following options are available:
.Bl -tag -width indent
.It Fl h
Display memory sizes in human-friendly format
.It Fl s Ar delay
Sleep for
.Ar delay
seconds before display memory statistics again.  This option causes free to
continuously poll the system until SIGINT is given.
.It Fl v
Display version information.
.Sh NOTES
.Pp
.Nm
is modeled after the free utility on Linux systems (the one from the procps project).  This version aims to offer similar functionality, but due to design differences between Linux and Darwin, that is not always possible.
.Pp

.Pp
For detail explanation, please see https://github.com/zfdang/free-for-macOS
.Sh SEE ALSO
.Xr hostinfo 1 ,
.Xr ps 1 ,
.Xr top 1
.Sh BUGS
.Pp
Report bugs at https://github.com/zfdang/free-for-macOS
.Sh AUTHORS
.Pp
Written by Zhengfa