You might have to boot from a recovery CD image, such as a Debian live
install image, or GParted Live. You can't actually run fsck on a drive
while said drive is mounted.
>> My brother's Debian system suddenly says on attempt to boot, "/dev/sda1:
>> UNEXPECTED INCONSISTENCY:Runfsck manually", and, "inodes that were part of
>> a corrupted orphan linked list found."
>>
>> He enters "fsck" or "fsck /dev/sda1", and in a short while gets fsck
>> identifying it's version, and nothing else. Tha appears to take place
>> from (initramfs) and Busybox. An attempt to reboot just starts the
>> problem all over again.
>>
>> We'd be grateful for help with this. Thanks.
>>
> hello,
>
> fsck -fy /dev/sda1 is probably what you want
Then again, after the "UNEXPECTED INCONSISTENCY", the `-f` flag to
`fsck` shouldn't be needed. This is weird.
Stefan