Those extra packages on the live CD

[Tong Sun]

Hi,

I have never taken a closer look at what's inside the Lubuntu CD, until now
when I discovered that there is bunch of packages on the CD that is not
packed in the filesystem.squashfs file. There are *quite* a few of them
(ref 1).

What's the purpose of having those packages loose on the disk instead of
installing them and have them in compressed squashfs file?

Thanks

Tong

ref 1:

package list:

./pool
./pool/main
./pool/main/b
./pool/main/b/build-essential
./pool/main/b/build-essential/build-essential_11.6ubuntu5_amd64.deb
./pool/main/d
./pool/main/d/dpkg
./pool/main/d/dpkg/dpkg-dev_1.16.12ubuntu1_all.deb
./pool/main/e
./pool/main/e/eglibc
./pool/main/e/eglibc/libc-dev-bin_2.17-93ubuntu4_amd64.deb
./pool/main/e/eglibc/libc6-dev_2.17-93ubuntu4_amd64.deb
./pool/main/f
./pool/main/f/fakeroot
./pool/main/f/fakeroot/fakeroot_1.20-1_amd64.deb
./pool/main/g
./pool/main/g/gcc-4.8
./pool/main/g/gcc-4.8/g++-4.8_4.8.1-10ubuntu8_amd64.deb
./pool/main/g/gcc-4.8/gcc-4.8_4.8.1-10ubuntu8_amd64.deb
./pool/main/g/gcc-4.8/libasan0_4.8.1-10ubuntu8_amd64.deb
./pool/main/g/gcc-4.8/libatomic1_4.8.1-10ubuntu8_amd64.deb
./pool/main/g/gcc-4.8/libgcc-4.8-dev_4.8.1-10ubuntu8_amd64.deb
./pool/main/g/gcc-4.8/libitm1_4.8.1-10ubuntu8_amd64.deb
./pool/main/g/gcc-4.8/libstdc++-4.8-dev_4.8.1-10ubuntu8_amd64.deb
./pool/main/g/gcc-4.8/libtsan0_4.8.1-10ubuntu8_amd64.deb
./pool/main/g/gcc-defaults
./pool/main/g/gcc-defaults/g++_4.8.1-2ubuntu3_amd64.deb
./pool/main/g/gcc-defaults/gcc_4.8.1-2ubuntu3_amd64.deb
./pool/main/l
./pool/main/l/linux
./pool/main/l/linux/linux-libc-dev_3.11.0-12.19_amd64.deb
./pool/main/l/lupin
./pool/main/l/lupin/lupin-support_0.54_amd64.deb
./pool/main/liba
./pool/main/liba/libalgorithm-diff-perl
./pool/main/liba/libalgorithm-diff-perl/libalgorithm-diff-perl_1.19.02-3_all.deb
./pool/main/liba/libalgorithm-diff-xs-perl
./pool/main/liba/libalgorithm-diff-xs-perl/libalgorithm-diff-xs-perl_0.04-2build3_amd64.deb
./pool/main/liba/libalgorithm-merge-perl
./pool/main/liba/libalgorithm-merge-perl/libalgorithm-merge-perl_0.08-2_all.deb
./pool/main/m
./pool/main/m/manpages
./pool/main/m/manpages/manpages-dev_3.54-1ubuntu1_all.deb
./pool/main/m/mouseemu
./pool/main/m/mouseemu/mouseemu_0.16-0ubuntu9_amd64.deb
./pool/main/u
./pool/main/u/ubiquity
./pool/main/u/ubiquity/oem-config-gtk_2.15.26_all.deb
./pool/main/u/ubiquity/oem-config_2.15.26_all.deb
./pool/main/u/user-setup
./pool/main/u/user-setup/user-setup_1.48ubuntu1_all.deb
./pool/multiverse
./pool/multiverse/d
./pool/multiverse/d/drdsl
./pool/multiverse/d/drdsl/drdsl_1.2.0-1build1_amd64.deb
./pool/universe
./pool/universe/c
./pool/universe/c/caspar
./pool/universe/c/caspar/caspar_20120530-1_all.deb
./pool/universe/i
./pool/universe/i/isdnutils
./pool/universe/i/isdnutils/capiutils_3.12.20071127-0ubuntu11_amd64.deb
./pool/universe/i/isdnutils/isdnutils-base_3.12.20071127-0ubuntu11_amd64.deb
./pool/universe/i/isdnutils/isdnutils-xtools_3.12.20071127-0ubuntu11_amd64.deb
./pool/universe/i/isdnutils/libcapi20-3_3.12.20071127-0ubuntu11_amd64.deb
./pool/universe/i/isdnutils/libcapi20-dev_3.12.20071127-0ubuntu11_amd64.deb
./pool/universe/i/isdnutils/pppdcapiplugin_3.12.20071127-0ubuntu11_amd64.deb
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