If your system will be used for C development, you should install Bison
since it is used to build many C programs.
-rwxr-xr-x 1 root root 264142 Aug 2 2004 /usr/bin/bison drwxr-xr-x 2 root root 0 Aug 2 2004 /usr/doc/bison-1.875 -rw-r--r-- 1 root root 216 Nov 25 1998 /usr/doc/bison-1.875/AUTHORS -r--r--r-- 1 root root 17992 Jan 1 2003 /usr/doc/bison-1.875/COPYING -rw-r--r-- 1 root root 5031 Nov 30 2002 /usr/doc/bison-1.875/FAQ -rw-r--r-- 1 root root 17781 Jan 1 2003 /usr/doc/bison-1.875/NEWS -rw-r--r-- 1 root root 961 Oct 2 2000 /usr/doc/bison-1.875/README -rw-r--r-- 1 root root 1197 Dec 16 1987 /usr/doc/bison-1.875/REFERENCES -rw-r--r-- 1 root root 3223 Nov 18 2002 /usr/doc/bison-1.875/THANKS -rw-r--r-- 1 root root 10972 Nov 7 2002 /usr/doc/bison-1.875/TODO -rw-rw-rw- 1 root root 58854 Aug 2 2004 /usr/doc/bison-1.875/refcard.ps -rw-r--r-- 1 root root 14985 Aug 2 2004 /usr/info/bison.info-1.gz -rw-r--r-- 1 root root 14530 Aug 2 2004 /usr/info/bison.info-2.gz -rw-r--r-- 1 root root 15889 Aug 2 2004 /usr/info/bison.info-3.gz -rw-r--r-- 1 root root 15849 Aug 2 2004 /usr/info/bison.info-4.gz -rw-r--r-- 1 root root 14428 Aug 2 2004 /usr/info/bison.info-5.gz -rw-r--r-- 1 root root 13050 Aug 2 2004 /usr/info/bison.info-6.gz -rw-r--r-- 1 root root 3818 Aug 2 2004 /usr/info/bison.info-7.gz -rw-r--r-- 1 root root 1834 Aug 2 2004 /usr/info/bison.info.gz -rw-r--r-- 1 root root 668 Aug 2 2004 /usr/lib/liby.a drwxrwxrwx 2 root root 0 Aug 2 2004 /usr/share/bison -rw-r--r-- 1 root root 1580 Aug 2 2004 /usr/share/bison/README -rw-r--r-- 1 root root 10852 Aug 2 2004 /usr/share/bison/c.m4 -rw-r--r-- 1 root root 55068 Aug 2 2004 /usr/share/bison/glr.c -rw-r--r-- 1 root root 19650 Aug 2 2004 /usr/share/bison/lalr1.cc drwxrwxrwx 2 root root 0 Aug 2 2004 /usr/share/bison/m4sugar -rw-r--r-- 1 root root 55962 Aug 2 2004 /usr/share/bison/m4sugar/m4sugar.m4 -rw-r--r-- 1 root root 33040 Aug 2 2004 /usr/share/bison/yacc.c -rw-r--r-- 1 root root 2519 Aug 2 2004 /usr/share/man/man1/bison.1.gz