Re: what serve the file in the /dev directory
The files in the /dev are not the actual device drivers , but the
files
corresponding to a spesific device driver , so on my system the
/dev/hda
is the first harddisk etc. You don't actually need everyone. If you
dont
have a scsi disk you cant omit all the /dev/sd files. The best way to
make these files are with the MAKEDEV script (or if you want you can
make them manually with the mknod command ). The BootDisk-HOWTO has a
list at the end telling which files you must have . On a really plain
bootdisk i got away with :
# ls -l /mnt/dev/
crw--w--w- 2 root tty 4, 0 Mar 29 07:06 console
brw-rw---- 1 root floppy 2, 0 Mar 29 07:06 fd0
brw-rw---- 1 root disk 1, 250 Mar 29 07:06 initrd
crw-rw-rw- 1 root sys 10, 2 Mar 29 07:07 inportbm
crw-rw---- 1 root kmem 1, 2 Mar 29 07:06 kmem
crw-rw---- 1 root kmem 1, 1 Mar 29 07:06 mem
crw-rw-rw- 1 root sys 1, 3 Mar 29 07:07 null
brw-rw---- 1 root disk 1, 0 Mar 29 07:06 ram0
brw-rw---- 1 root disk 1, 1 Mar 29 07:06 ram1
brw-rw---- 1 root disk 1, 2 Mar 29 07:06 ram2
brw-rw---- 1 root disk 1, 3 Mar 29 07:06 ram3
brw-rw---- 1 root disk 1, 4 Mar 29 07:06 ram4
brw-rw---- 1 root disk 1, 5 Mar 29 07:06 ram5
brw-rw---- 1 root disk 1, 6 Mar 29 07:06 ram6
brw-rw---- 1 root disk 1, 7 Mar 29 07:06 ram7
lrwxrwxrwx 1 root root 4 Mar 29 07:06 ramdisk -> ram0
crw--w--w- 2 root tty 4, 0 Mar 29 07:06 systty
crw-rw-rw- 1 root sys 5, 0 Mar 29 09:23 tty
lrwxrwxrwx 1 root root 7 Mar 29 09:23 tty0 -> console
crw--w--w- 1 root tty 4, 1 Mar 29 07:05 tty1
crw--w--w- 1 root tty 4, 2 Mar 29 07:05 tty2
crw--w--w- 1 root tty 4, 3 Mar 29 07:06 tty3
crw--w--w- 1 root tty 4, 4 Mar 29 07:06 tty4
crw--w--w- 1 root tty 4, 5 Mar 29 07:06 tty5
crw--w--w- 1 root tty 4, 6 Mar 29 07:06 tty6
crw-rw-rw- 1 root sys 1, 5 Mar 29 07:07 zero
But this doesn't add support for any type of fixed disk. The link from
systty to console is after my understanding rather important, since my
system won't boot witout it !
Happy hacking !
George Bonser wrote:
> >
> > Those are your device drivers! BE CAREFUL IN THERE!
> >
> > For example, if you have an ide hard disk it is /dev/hda
> >
> > On Sun, 29 Mar 1998, Alain Toussaint wrote:
> >
> > > Hello
> > > i need to know what serve the files in the /dev directory,it's
> > > because i did some experiment trying to build a boot/root disk set (sort
> > > of rescue disk and a good way to learn about linux),i copied all the files
> > > in the /dev directory to a floppy disk (the root disk in question) using
> > > this method:
> > > cd /dev
> > > find . -print | cpio -pmd /mnt/dev
> > >
> > > i also copied the needed library for bash ( libreadline.so.2,
> > > libncurses.so.3.0, libdl.so.1 and libc.so.5 ) but now,i lack the space
> > > needed for copying bash,does anyone here know where i can get the
> > > information i need to safely prune the /dev directory without erasing
> > > something important ??
> > >
> > > thanks a lot for your help !!
> > >
> > > Alain
>
> ---------------------------------------------------
> fredrik@telnett.no
> http://dragon.telnett.no/~fredrik
> "Don't trust an operating system were you don't have the source."
--
---------------------------------------------------
fredrik@telnett.no
http://dragon.telnett.no/~fredrik
"Don't trust an operating system were you don't have the source."
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