troubleshooting Question

Linux man page why to use number ?

Avatar of JRPrakash
JRPrakash asked on
Linux OS DevCLinux Networking
5 Comments4 Solutions401 ViewsLast Modified:
Hi, I happen to use the man command in the following way
# man 3 pthread_init.

How can i find out pthread_init man page can be retrieved only mentioning by number 3 ?.. I end up tring from 1 to 3 .

What does this number means ?? Can someone provide be bit explanation about it ?.  

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