Below are the list of Howtos for Debian GNU/Linux which I found out on the Internet. They can also be useful to people migrating from Windows to GNU/Linux systems like Debian and Ubuntu.
How to Convert CHM files to HTML and PDF
Microsoft Compiled HTML Help (CHM) is a proprietary format for online help files, developed by Microsoft and first released in 1997 as a successor to the Microsoft WinHelp format. To Convert it to HTML:
- sudo apt-get install libchm-bin (Installs libchm-bin)
- extract_chmLib book.chm outdir (Converts book.chm to html files which will be written in the “outdir” folder
To Convert to PDF:
- sudo apt-get install htmldoc (installs htmldoc)
- htmldoc (starts the htmldoc UI to start converting the above html files to PDF)
How to combine multiple pdf files into one pdf file
Install required software:
- sudo apt-get install gs pdftk
Combine pdf files:
- gs -dNOPAUSE -sDEVICE=pdfwrite -sOUTPUTFILE=combinedpdf.pdf -dBATCH 1.pdf 2.pdf 3.pdf (combines 1.pdf, 2.pdf and 3.pdf into one single pdf file named combined.pdf
Note : More will be added Later

