6 files changed, 51 insertions, 33 deletions
diff --git a/usr.bin/login/login.1 b/usr.bin/login/login.1
index 2ee22ef..3d1a9c7 100644
--- a/usr.bin/login/login.1
+++ b/usr.bin/login/login.1
@@ -143,13 +143,12 @@ The login class also controls the maximum and current process resource
 limits granted to a login, process priorities and many other aspects of
 a user's login environment.
 .Pp
-The standard shells,
-.Xr csh 1
-and
-.Xr sh 1 ,
-do not fork before executing the
+Some shells may provide a builtin
 .Nm
-utility.
+command which is similar or identical to this utility. Consult
+the
+.Xr builtin 1
+manual page.
 .Sh FILES
 .Bl -tag -width /var/mail/userXXX -compact
 .It Pa /etc/fbtab
@@ -180,7 +179,9 @@ makes login quieter
 configure authentication services
 .El
 .Sh SEE ALSO
+.Xr builtin 1 ,
 .Xr chpass 1 ,
+.Xr csh 1 ,
 .Xr passwd 1 ,
 .Xr rlogin 1 ,
 .Xr skey 1 ,
diff --git a/usr.bin/nice/nice.1 b/usr.bin/nice/nice.1
index 2531a9c..b017179 100644
--- a/usr.bin/nice/nice.1
+++ b/usr.bin/nice/nice.1
@@ -73,6 +73,13 @@ Negative numbers are expressed as
 The returned exit status is the exit value from the
 command executed by
 .Nm nice .
+.Pp
+Some shells may provide a builtin
+.Nm
+command which is similar or identical to this utility. Consult
+the
+.Xr builtin 1
+manual page.
 .Sh EXAMPLES
 .Pp
 $ nice -5 date
@@ -89,6 +96,7 @@ Execute command
 at priority -19 assuming the priority of the
 shell is 0 and you are the super-user.
 .Sh SEE ALSO
+.Xr builtin 1 ,
 .Xr csh 1 ,
 .Xr idprio 1 ,
 .Xr rtprio 1 ,
@@ -100,21 +108,3 @@ A
 .Nm
 command appeared in
 .At v6 .
-.Sh BUGS
-.Nm Nice
-is particular to
-.Xr sh  1  .
-If you use
-.Xr csh  1  ,
-then commands executed with ``&'' are automatically immune to hangup
-signals while in the background.
-.Pp
-.Nm Nice
-is built into
-.Xr csh  1
-with a slightly different syntax than described here.  The form
-.Ql nice +10
-nices to positive nice, and
-.Ql nice \-10
-can be used
-by the super-user to give a process more of the processor.
diff --git a/usr.bin/nohup/nohup.1 b/usr.bin/nohup/nohup.1
index 1fcc7ef..8f137e7 100644
--- a/usr.bin/nohup/nohup.1
+++ b/usr.bin/nohup/nohup.1
@@ -68,6 +68,13 @@ as the standard output.
 .Nm Nohup
 exits 1 if an error occurs, otherwise the exit status is that of
 .Ar command  .
+.Pp
+Some shells may provide a builtin
+.Nm
+command which is similar or identical to this utility. Consult
+the
+.Xr builtin 1
+manual page.
 .Sh ENVIRONMENT
 The following variable is utilized by
 .Nm nohup .
@@ -82,6 +89,8 @@ utility uses the directory named by
 to create the file.
 .El
 .Sh SEE ALSO
+.Xr builtin 1 ,
+.Xr csh 1 ,
 .Xr signal 3
 .Sh STANDARDS
 The
diff --git a/usr.bin/printf/printf.1 b/usr.bin/printf/printf.1
index 665d28f..153990b 100644
--- a/usr.bin/printf/printf.1
+++ b/usr.bin/printf/printf.1
@@ -250,11 +250,21 @@ Print a `%'; no argument is used.
 In no case does a non-existent or small field width cause truncation of
 a field; padding takes place only if the specified field width exceeds
 the actual width.
+.Pp
+Some shells may provide a builtin
+.Nm
+command which is similar or identical to this utility. Consult
+the
+.Xr builtin 1
+manual page.
 .Sh RETURN VALUES
 .Nm Printf
 exits 0 on success, 1 on failure.
 .Sh SEE ALSO
-.Xr printf 3
+.Xr builtin 1 ,
+.Xr csh 1 ,
+.Xr printf 3 ,
+.Xr sh 1
 .Sh HISTORY
 The
 .Nm
diff --git a/usr.bin/time/time.1 b/usr.bin/time/time.1
index 4d29566..196042c 100644
--- a/usr.bin/time/time.1
+++ b/usr.bin/time/time.1
@@ -90,14 +90,12 @@ Makes
 output POSIX.2 compliant (each time is printed on its own line).
 .El
 .Pp
-Most shells (including
-.Xr csh 1 )
-have their own and syntactically different builtin version of
-.Nm time .
-The command described here
-is available as
-.Pa /usr/bin/time
-to users of those shells.
+Some shells may provide a builtin
+.Nm
+command which is similar or identical to this utility.  Consult
+the
+.Xr builtin 1
+manual page. 
 .Sh DIAGNOSTICS
 If
 .Ar command
@@ -115,6 +113,7 @@ If
 encounters any other error, the exit status is between 1 and 125
 included.
 .Sh SEE ALSO
+.Xr builtin 1 ,
 .Xr csh 1 ,
 .Xr getrusage 2 ,
 .Xr wait 2
diff --git a/usr.bin/which/which.1 b/usr.bin/which/which.1
index e9ae9d3..97daca5 100644
--- a/usr.bin/which/which.1
+++ b/usr.bin/which/which.1
@@ -52,12 +52,21 @@ of each).
 .It Fl s
 No output, just return 0 if any of the executables are found, or 1 if
 none are found.
+.Pp
+Some shells may provide a builtin
+.Nm
+command which is similar or identical to this utility.  Consult
+the
+.Xr builtin 1
+manual page. 
 .Sh HISTORY
 The
 .Nm
 command first appeared in
 .Fx 2.1 .
 .Sh SEE ALSO
+.Xr builtin 1 ,
+.Xr csh 1 ,
 .Xr find 1 ,
 .Xr locate 1 ,
 .Xr perl 1 ,