[NTLUG:Discuss] restart or reload?

[m m]

All:

I always confused with restart, reload and kill -HUP pid.
when I look/run at the rc files, there always are several options, some of 
them is clear, like stop, start... but I am confused on the different on 
restart and reload.

does reload and restart do the same thing ---update/reload configure files
reload without stop the service and restart does?

is "reload" = "kill -HUP service/pid"?


whare Do I find information about update process with new modified configure 
file with stop process/service?
for example I modified /etc/hosts files, and what the system take effect 
base on new modifiy information without reboot or stop networking service, 
what do I do?
restart or reload rc script (files in /etc/rc.d/init.d/) file? which rc 
script files?

thanks










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