Thanks. I realized that the service file depends on target file.
That "local-fs-pre.target" do nothing ? and then "local-fs.target" need 
boot.mount first ? The boot.mount and the other mount they were executed 
parallelize ?


And then arrived at "sysinit.target" , and then start some service 
(console-setup.service,udevd.service, etc.) parallel ?





在 2015-10-26 16:42:03,"Mantas Mikulėnas" <[email protected]> 写道:

On Mon, Oct 26, 2015 at 10:13 AM, kennedy <[email protected]> wrote:

what's the relationship between the target file and the real executable file ?


"local-fs-pre.target" ,"local-fs.target" will start which service (will execute 
which binary file) ?


None. They're .target units – their purpose is only to group other units. But 
they don't necessarily depend on any .service unit at all – in fact with 
local-fs*.target it's the opposite; *services* depend on these targets, and the 
targets themselves only depend on mounts.


$ systemctl list-dependencies local-fs.target

local-fs.target
● ├─boot.mount
● ├─home.mount
● ├─tmp.mount
● └─var-lib-machines.mount


--

Mantas Mikulėnas <[email protected]>
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