Red Hat 7 chapter 3

Reading Documentation Using man Command

#man -k passwd      //the man command -k option performs a full-text page search

sections of the linux manual
section      content type
   1             User commands
   2             System calls
   3             Library functions
   4             Special files
   5             File formats
   6             Games
   7             Conventions , standards , and miscellaneous
   8             System administration and privileged command
   9             Linux kernel API

Reading Documentation Using pinfo Command

#info
#pinfo     //it adds color

Reading Documentation in /usr/share/doc

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