add directory study

study/boot/LILO/lilo/lilo-21.lsm

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+Begin3
+Title:		LILO
+Version:	21
+Entered-date:	05DEC98
+Description:	Generic boot loader for Linux. Distribution includes full
+		source, documentation and support files, but no pre-compiled
+		binaries.
+Keywords:	Linux, boot loader
+Author:		Werner Almesberger <Werner.Almesberger@epfl.ch>
+Maintained-by:	Werner Almesberger <Werner.Almesberger@epfl.ch>
+Primary-site:	lrcftp.epfl.ch /pub/linux/local/lilo
+		166 kB lilo-21.tar.gz
+		128 kB lilo-u-21.ps.gz
+		 50 kB lilo-t-21.ps.gz
+Alternate-site:	sunsite.unc.edu /pub/Linux/system/boot/lilo
+Platforms:	Linux 0.99pl12 or newer, gcc and as86 needed to compile.
+		LaTeX and (optionally) Perl and Transfig needed to print the
+		documentation.
+Copying-policy:	BSD-like
+End