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-rw-r--r--usr.bin/which/which.19
1 files changed, 9 insertions, 0 deletions
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 ,
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