diff -U 5 ./command.c new/command.c
--- ./command.c	Wed Mar 21 22:00:18 2001
+++ new/command.c	Mon Mar 26 11:57:55 2001
@@ -251,10 +251,32 @@
 
 		free(opt1);
 		free(opt2);
 	}
 
+	/* \cd */
+	else if (strcasecmp(cmd, "cd") == 0)
+	{
+		if ( chdir( options_string ))
+		{
+			psql_error("\\%s: could not change directory to '%s'\n", 
+					cmd, options_string );
+			success = false;
+		}
+		else 
+		{
+			char *cwd;
+			cwd = getcwd( NULL, 512 );
+			printf( "Current directory is now '%s'.\n", cwd );
+			free( cwd );
+			success = true;
+		}
+		/* wind pointer to end of line */
+		if (string)
+			string += strlen(string);
+	}
+
 	/* \copy */
 	else if (strcasecmp(cmd, "copy") == 0)
 	{
 		success = do_copy(options_string);
 		if (options_string)
diff -U 5 ./help.c new/help.c
--- ./help.c	Wed Mar 21 22:00:20 2001
+++ new/help.c	Mon Mar 26 11:58:34 2001
@@ -194,10 +194,11 @@
 	/* if you add/remove a line here, change the row test above */
 	fprintf(fout, " \\a             toggle between unaligned and aligned mode\n");
 	fprintf(fout, " \\c[onnect] [dbname|- [user]]\n"
 			"                connect to new database (currently '%s')\n", PQdb(pset.db));
 	fprintf(fout, " \\C <title>     table title\n");
+	fprintf(fout, " \\cd <dir>      change the current working directory\n");
 	fprintf(fout, " \\copy ...      perform SQL COPY with data stream to the client machine\n");
 	fprintf(fout, " \\copyright     show PostgreSQL usage and distribution terms\n");
 	fprintf(fout, " \\d <table>     describe table (or view, index, sequence)\n");
 	fprintf(fout, " \\d{t|i|s|v}    list tables/indices/sequences/views\n");
 	fprintf(fout, " \\d{p|S|l}      list permissions/system tables/lobjects\n");