The man pages are usually get installed with software. So, If you install a software with manpages, the manpages will be automatically installed.
Manual pages in a Web browser
By installing man2html
You can install
man2html package to your computer to view the manual pages in your favorite browser:
sudo apt-get install man2html
By installing doc-central
There is another tool which view
manpages in browser, it is called
doccentral. You can install it with the following command:
sudo apt-get install doc-central
Downloading manual pages:
You can download the latest manual pages from here. The size was also included in the page
Alternatively, you can also see this page for downloading Official Ubuntu Manual Pages, though they are bit old. (Ubuntu 11.10)
Manual pages in PDF !:
Yes, you can even get the manual pages in pdf file format. for example, if you want to generate manual page for
man the command will be :
man -t man | ps2pdf - man.pdf.
This will generate a manual page, named
man.pdf in the current directory of the terminal. replace
man with your desired one, such as
Info pages in browser.
Though it is not asked in the question, I include it as general reference.
You can also have the GNU info pages (which are more elaborate and helpful) in a web browser by installing
info2www package. The command is below:
sudo apt-get install info2www
Hope this will help