Some software installed on the computer will have one or more services in the system service management, such as Apache,vmware software will appear in the computer services, can be started with the system start, of course, can also be set not to start, and so to use the time to start again, (You can enter services.msc directly into the service list), but some software installed on the computer will not have any service generation, such as our chat tool QQ.
There are two kinds of services under Linux, one is the default installation of RPM package services, and one is the source package installation Services.
RPM default installed service under the /etc/rc.d/init.d/ file, when you perform service SMB start, service search is actually looking for the SMB service in this directory,
However, the source package installation service is under the location of the source package you installed, does not appear in the system default location (/etc/rc.d/init.d/), so you want to perform a
Source package service with service name start, this service go again/etc/rc.d/init.d/below find will not find this services, will error.
Two types of services under Linux: RPM package default installed services and source package installed services