Document the fairly obvious effects of the PATH environment variable.

svn path=/head/; revision=98969

usr.bin/nohup/nohup.1

@@ -70,7 +70,7 @@ Consult the
 .Xr builtin 1
 manual page.
 .Sh ENVIRONMENT
-The following variable is utilized by
+The following variables are utilized by
 .Nm :
 .Bl -tag -width flag
 .It Ev HOME
@@ -81,6 +81,12 @@ cannot be created in the current directory, the
 utility uses the directory named by
 .Ev HOME
 to create the file.
+.It Ev PATH
+Used to locate the requested
+.Ar command
+if the name contains no
+.Ql /
+characters.
 .El
 .Sh DIAGNOSTICS
 The

usr.bin/printenv/printenv.1

@@ -114,6 +114,16 @@ this way also allows one to reference
 .Pa foo
 without the path,
 as well as set up the environment as desired.
+.Sh ENVIRONMENT
+The
+.Nm env
+utility uses the
+.Ev PATH
+environment variable is used to locate the requested
+.Ar utility
+if the name contains no
+.Ql /
+characters.
 .Sh DIAGNOSTICS
 .Ex -std printenv
 .Pp

usr.bin/time/time.1

@@ -97,6 +97,14 @@ command which is similar or identical to this utility.
 Consult the
 .Xr builtin 1
 manual page.
+.Sh ENVIRONMENT
+The
+.Ev PATH
+environment variable is used to locate the requested
+.Ar utility
+if the name contains no
+.Ql /
+characters.
 .Sh DIAGNOSTICS
 If
 .Ar utility