-: **mkaudiocd()**
-Renames all mp3 files in ~/ripps (see audiorip above) to lowercase and
-replaces spaces in file names with underscores. Then mkaudiocd()
-normalizes the files and recodes them to WAV.
-
-: **mkiso()**
-Creates an iso9660 filesystem image with Rockridge and Joliet extensions
-enabled using mkisofs(8). Prompts the user for volume name, filename and
-target directory.
-
-: **mkmaildir()**
-Creates a directory with first parameter as name inside $MAILDIR_ROOT
-(defaults to $HOME/Mail) and subdirectories cur, new and tmp.
-
-: **mmake()**
-Runs "make install" and logs the output under ~/.errorlogs/; useful for
-a clean deinstall later.
-