#### Linux From Scratch - Version 7.9

### Chapter 6. Installing Basic System Software

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# 6.73. Cleaning Up

Finally, clean up some extra files left around from running tests:

    rm -rf /tmp/*

From now on, when reentering the chroot environment after exiting, use the following modified chroot command:

    chroot "$LFS" /usr/bin/env -i              \
        HOME=/root TERM="$TERM" PS1='\u:\w\$ ' \
        PATH=/bin:/usr/bin:/sbin:/usr/sbin     \
        /bin/bash --login

The reason for this is that the programs in `/tools` are no longer needed. Since they are no longer needed you can delete the `/tools` directory if so desired.

### Note

Removing `/tools` will also remove the temporary copies of Tcl, Expect, and DejaGNU which were used for running the toolchain tests. If you need these programs later on, they will need to be recompiled and re-installed. The BLFS book has instructions for this (see http://www.linuxfromscratch.org/blfs/).

If the virtual kernel file systems have been unmounted, either manually or through a reboot, ensure that the virtual kernel file systems are mounted when reentering the chroot. This process was explained in Section 6.2.2, “Mounting and Populating /dev” and Section 6.2.3, “Mounting Virtual Kernel File Systems”.

Finally, there were several static libraries that were not suppressed earlier in the chapter in order to satisfy the regression tests in several packages. These libraries are from binutils, bzip2, e2fsprogs, flex, libtool, and zlib. If desired, remove them now:

    rm -f /usr/lib/lib{bfd,opcodes}.a
    rm -f /usr/lib/libbz2.a
    rm -f /usr/lib/lib{com_err,e2p,ext2fs,ss}.a
    rm -f /usr/lib/libltdl.a
    rm -f /usr/lib/libfl.a
    rm -f /usr/lib/libfl_pic.a
    rm -f /usr/lib/libz.a

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