foo and bar would both be removed.

 foo would be removed while bar would remain accessible.

 foo would be removed， bar would still exist but would be unusable.

 Both foo and bar would remain accessible.

 You would be asked whether bar should be removed.

 You need to rebuild the kernel.

 You need to upgrade the kernel

 You need to load the USB modules for your existing modular kernel.

 USB support is not available in Linux.

 -remove removes the program， -purge also removes the config files

 -remove only removes the program， -purge only removes the config files

 -remove removes a package， -purge also removes all packages dependent on it

 -remove removes only the package file itself， -purge removes all files related to the package

 Run ext2fs ACL.

 Use a hard link.

 Use a symbolic link.

 Use the loopback device.

 Create a block device offset.

 SCSI-1 supports only 8 devices including the adaptor.

 SCSI-1 supports only 6 disks per adaptor.

 There is a SCSI-ID conflict that causes that problem.

 You forgot to set the SCSI-ID #8 for the new disk.

 Idconfig

 Idd

 libpath

 newlibs

 dpkg-G

 apt-get-u

 dpkg-Dh

 dpkg-l

 apt-get-y

 mount /dev/cdrom /mnt/cdrom

 mount/dev/cdrom

 mount -t cdrom /dev/cdrom /mnt/cdrom

 mount /mnt/cdrom

 automount /mnt/hdd /mnt/cdrom