Merge pull request #935 from xexyl/1990-tbr

1990/tbr/Makefile

@@ -130,7 +130,6 @@ all: data ${TARGET}
 	supernova deep_magic magic charon pluto
 
 ${PROG}: ${PROG}.c
-	@echo "NOTE: This entry might not compile when using modern compilers."
 	${CC} ${CFLAGS} $< -o $@ ${LDFLAGS}
 
 # alternative executable

1990/tbr/README.md

@@ -13,10 +13,6 @@ US
 make all
 ```
 
-For the original version with `gets()` see the [archive
-tarball](/archive/archive-1990.tar.bz2).
-
-
 ## To run:
 
 ```sh
@@ -77,7 +73,7 @@ applied.
 
 ## Author's remarks:
 
-This program is a rudimentary shell. It does i/o redirection, pipes
+This program is a rudimentary shell. It does I/O redirection, pipes
 and cd. It flags errors on failed `chdir()`, `open()`, `creat()`,
 `execvp()`, `fork()` and a few syntax errors.