.Dd August 24, 1993
.Dt MOUNT_PROCFS 8
.Os FreeBSD 1.1
.Sh NAME
.Nm mount_procfs
.Nd mount the proc file system
.Sh SYNOPSIS
.Nm mount_procfs
.Op Fl F Ar fsoptions
.Pa proc
.Pa mount_point
.Sh DESCRIPTION
The
.Nm mount_procfs
command attaches an instance of the proc filesystem
to the global filesystem namespace.
The conventional mount point is
.Pa /proc .
This command is normally executed by
.Xr mount 8
at boot time.
.Pp
The proc filesystem presents a directory entry for each process in the system.
The name of an entry is process id in decimal notation.
Opening an entry for reading and/or writing gives access to the process
address space. Several ioctl(2) operations are available to gain additional
control over the process.
.Sh FILES
.Sh SEE ALSO
.Xr mount 2 ,
.Xr unmount 2 ,
.Xr fstab 5
.Sh CAVEATS
This filesystem may not be NFS-exported.
The interface and implementation of the proc filesystem are still under
development.
.Sh HISTORY
The
.Nm mount_procfs
utility first appeared in FreeBSD 1.1.