4BSD/usr/man/man0/tocx5

a.out(5) a.out: assembler and link editor output.
acct(5) acct: execution accounting file.
aliases(5) aliases: aliases file for delivermail.
ar(5) ar: archive (library) file format.
core(5) core: format of memory image file.
dir(5) dir: format of directories.
dump(5) dump, ddate: incremental dump format.
environ(5) environ: user environment.
filsys(5) filsys, flblk, ino: format of file system volume.
fstab(5) fstab: static information about the filesystems.
group(5) group: group file.
mpxio(5) mpxio: multiplexed i/o.
mtab(5) mtab: mounted file system table.
passwd(5) passwd: password file.
plot(5) plot: graphics interface.
stab(5) stab: symbol table types.
termcap(5) termcap: terminal capability data base.
tp(5) tp: DEC/mag tape formats.
ttys(5) ttys: terminal initialization data.
ttytype(5) ttytype: data base of terminal types by port.
types(5) types: primitive system data types.
utmp(5) utmp, wtmp: login records.
uuencode(5) uuencode: format of an encoded uuencode file.
vfont(5) vfont: font formats for the Benson-Varian or Versatec.
wtmp(5) wtmp: user login history.