FreeBSD man pages : intro (8) INTRO(8) FreeBSD System Manager's
Manual INTRO(8) intro - introduction to system maintenance and
operation commands This section contains information related to
system operation and mainte- nance. It describes commands used
to create new file systems, newfs(8), verify the integrity of
the file systems, fsck(8), control disk usage, edquota(8),
maintain system backups, dump(8), and recover files when disks
die an untimely death, restore(8). The format(8) manual for the
specific architecture the system is running on should be
consulted when formatting disks and tapes. Network related
services like inetd(8) and ftpd(8) are also described. The
section crash(8) should be consulted to understand how to
interpret system crash dumps. All commands set an exit status.
Its value may be tested to see if the command completed
normally. Unless otherwise noted (rare), the value 0 signifies
successful completion of the command, while a value >0 indi-
cates an error. Some commands attempt to descr