figure1.pic

早期freebsd实现

.PS
A: box shaded width 2.5i "\file{\$HOME/} (user's home directory)"
B: box "\profile/" with .nw at (A.sw.x,A.sw.y-lineht)
C: box shaded "\Mail/" with .ne at (A.se.x,A.se.y-lineht)
D: box "\context/" with .n at (B.s.x,B.s.y-lineht)
E: box shaded "\file{inbox/}" with .w at (D.e.x+(linewid/2),D.w.y)
F: box "\file{mhl.format}" with .w at (E.e.x+(linewid/2),E.w.y)
G: box "\file{replcomps}" with .w at  (F.e.x+(linewid/2),F.w.y)
H: box shaded "\file{drafts/}" with .w at (G.e.x+(linewid/2),G.w.y)
I: box shaded "\file{chron/}" with .w at (H.e.x+(linewid/2),H.w.y)
J: box width 0.2i height 0.2i "\file{3}" with .n at \
          (E.s.x+(linewid*1.5),E.s.y-lineht)
K: box width 0.2i height 0.2i "\file{2}" with .e at (J.w.x-(linewid/4),J.e.y)
L: box width 0.2i height 0.2i "\file{1}" with .e at (K.w.x-(linewid/4),K.e.y)
M: box width 1i "\sequences/" with .ne at (L.w.x-(linewid/4),L.ne.y)
N: box shaded "\file{yr.1985/}" with .n at (I.s.x,I.s.y-lineht)
O: box shaded "\file{yr.1984/}" with .e at (N.w.x-(linewid/4),N.e.y)
P: box width 0.2i height 0.2i "\file{1}" with .ne at \
	  (O.w.x-(linewid/2),O.ne.y)
line dotted from A.n to (A.n.x+(linewid/2),A.n.y+(lineht/2))
line from A.s to B.n
line from A.s to C.n
line from C.s to D.n
line from C.s to E.n
line from C.s to F.n
line from C.s to G.n
line from C.s to H.n
line from C.s to I.n
line from E.s to M.n
line from E.s to L.n
line from E.s to K.n
line from E.s to J.n
line from H.s to P.n
line dotted from H.s to (H.s.x+(linewid/2),H.s.y-(lineht/2))
line from I.s to N.n
line from I.s to O.n
line dotted from N.s to (N.s.x-(linewid/2),N.s.y-(lineht/2))
line dotted from N.s to (N.s.x+(linewid/2),N.s.y-(lineht/2))
line dotted from O.s to (O.s.x-(linewid/2),O.s.y-(lineht/2))
line dotted from O.s to (O.s.x+(linewid/2),O.s.y-(lineht/2))
.PE