Hello, Attached diff corrects the version info utilities first appears in the man pages of df, ln, ls, ps.
Version information was obtained from TUHS and cat-v.org which host copies of the man pages. Sevan
Index: bin/df/df.1 =================================================================== RCS file: /cvs/src/bin/df/df.1,v retrieving revision 1.47 diff -u -p -u -r1.47 df.1 --- bin/df/df.1 17 Mar 2014 21:32:12 -0000 1.47 +++ bin/df/df.1 10 Aug 2016 19:09:49 -0000 @@ -176,4 +176,4 @@ specification. A .Nm utility appeared in -.At v3 . +.At v1 . Index: bin/ln/ln.1 =================================================================== RCS file: /cvs/src/bin/ln/ln.1,v retrieving revision 1.32 diff -u -p -u -r1.32 ln.1 --- bin/ln/ln.1 11 Sep 2015 18:58:16 -0000 1.32 +++ bin/ln/ln.1 10 Aug 2016 19:09:49 -0000 @@ -220,7 +220,7 @@ are extensions to that specification. An .Nm utility appeared in -.At v3 . +.At v1 . .Sh CAVEATS Since the .Ar source Index: bin/ls/ls.1 =================================================================== RCS file: /cvs/src/bin/ls/ls.1,v retrieving revision 1.76 diff -u -p -u -r1.76 ls.1 --- bin/ls/ls.1 17 Mar 2016 07:18:33 -0000 1.76 +++ bin/ls/ls.1 10 Aug 2016 19:09:49 -0000 @@ -514,4 +514,4 @@ specification. An .Nm utility appeared in -.At v3 . +.At v1 . Index: bin/ps/ps.1 =================================================================== RCS file: /cvs/src/bin/ps/ps.1,v retrieving revision 1.106 diff -u -p -u -r1.106 ps.1 --- bin/ps/ps.1 25 Apr 2016 20:34:55 -0000 1.106 +++ bin/ps/ps.1 10 Aug 2016 19:09:49 -0000 @@ -638,7 +638,7 @@ and A .Nm command appeared in -.At v3 +.At v4 in section 8 of the manual. .Sh CAVEATS When printing using the