[fpc-pascal] Detecting what is the linux distro

[Sven Barth]

Am 12.10.2010 19:13, schrieb Marco van de Voort:
> In our previous episode, David W Noon said:
>>> ArchLinux does not use a System V init system, but a simpler BSD one.
>>> And thus it does not use /etc/init.d, but only /etc/rc.d.
>>
>> So does the BSD init use run levels?
>
> Yes.
>
>> One of the major distinctions
>> between /etc/init.d/ and /etc/rc.d is that the latter is segregated by
>> run levels, so that each daemon can have a different environment for
>> different run levels.
>
> ..  but the mark of the sysV layout is the script per daemon per runtime
> level. Sometimes it is simplified by making symlinks though.
>
> While classic (pre SysV) Unix (including BSD) has just one or two scripts
> that handle everything.
>
> Modern BSD (like current FreeBSD) currently afaik do have a script per
> daemon btw, just not the added dimension of runlevels.

ArchLinux also uses only one script per daemon which is located in 
/etc/rc.d/.

The only difference that a runlevel has in ArchLinux is whether the 
multiuser or the singleuser rc file (which is in /etc/) is called. But 
this doesn't influence the daemons in /etc/rc.d/.

Regards,
Sven