The CD-ROM drive is mounted as /cygdrive/e/ by default when Cygwin is installed. The drive letter for your CD-ROM should be substituted in place of /e/ in the following tar commands. If you are uncertain of the drive mountings for your system, enter the command mount at the bash shell prompt to get a listing of the current system mounts.
GNU Binary Utilities Unzip
Now we need to unzip the source code files from the CD-ROM. First, we change to the GNU Binutils directory with the command:
$ cd /src/binutils
Then, we unzip the file with the command:
$ tar xjvf /cygdrive/e/gnu/source/binutils-2.11.2a.tar.bz2
This creates the subdirectory binutils-2.11.2a, under the src/binutils directory, which contains the GNU Binutils source files. ...