How to read Ubuntu/Linux help documents in different formats

For more information about how to read Ubuntu/Linux help documents in different formats, see Ubuntu and Linux help documents in various formats. 1) read the manual page of the software or command through the man command. For example, you can use the following command to read the manual page of the man command: man www.2cto.com 2) the less command to read the general text file less/usr/share/doc/subversion/README 3) zless command to read compressed files zless/usr/share/doc/libattr1/changelog.Debian.gz 4) the links command reads the HTML Format File links/usr/share/sphinx/themes/sphinxdoc/layout.html 5 through the console. The gv command reads the files in the Post Script format (*. ps) www.2cto.com gv/usr/share/doc/printer-driver-pxljr/gs-gamma.ps 6) evince read Portable Document formatfile (.pdf) evince/usr/share/doc/xfig/xfig-howto.pdf