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NAME

     vfs_unmountall - unmount all file systems

SYNOPSIS

     #include <sys/param.h>
     #include <sys/mount.h>

     void
     vfs_unmountall(void);

DESCRIPTION

     The vfs_unmountall function, run only at system shutdown, unmounts all
     mounted file systems from most recent to oldest in order to avoid
     handling dependencies.

SEE ALSO

     boot(9)