pat@ubuntu:~$ mount /dev/hdb
mount: périphérique de type bloc/dev/hdb est protégé en écriture, on le monte en lecture seulement
mount: wrong fs type, bad option, bad superblock on /dev/hdb,
       missing codepage or other error
       In some cases useful info is found in syslog - try
       dmesg | tail  or so

pat@ubuntu:~$ mount /dev/hd
mount: ne peut repérer /dev/hd dans /etc/fstab ou /etc/mtab
pat@ubuntu:~$ dmesg | tail  or so
tail: Ne peut ouvrir `or' en lecture: Aucun fichier ou répertoire de ce type
tail: Ne peut ouvrir `so' en lecture: Aucun fichier ou répertoire de ce type
pat@ubuntu:~$ dmesg | tail -f
[4343005.467000] atkbd.c: Use 'setkeycodes e02a <keycode>' to make it known.
[4343005.538000] atkbd.c: Unknown key released (translated set 2, code 0xaa on isa0060/serio0).
[4343005.538000] atkbd.c: Use 'setkeycodes e02a <keycode>' to make it known.
[4343138.525000] Unable to identify CD-ROM format.
[4343146.943000] Inbound IN=ppp0 OUT= MAC= SRC=221.6.163.50 DST=193.250.132.204 LEN=485 TOS=0x00 PREC=0x00 TTL=41 ID=0 DF PROTO=UDP SPT=49172 DPT=1026 LEN=465
[4343147.121000] Inbound IN=ppp0 OUT= MAC= SRC=221.6.163.50 DST=193.250.132.204 LEN=485 TOS=0x00 PREC=0x00 TTL=41 ID=0 DF PROTO=UDP SPT=49172 DPT=1027 LEN=465
[4343187.846000] atkbd.c: Unknown key pressed (translated set 2, code 0xaa on isa0060/serio0).
[4343187.846000] atkbd.c: Use 'setkeycodes e02a <keycode>' to make it known.
[4343187.944000] atkbd.c: Unknown key released (translated set 2, code 0xaa on isa0060/serio0).
[4343187.944000] atkbd.c: Use 'setkeycodes e02a <keycode>' to make it known.
tail: standard input: fichier tronqué
tail: standard input: ne peut repérer selon le déplacement 0: Repérage illégal
pat@ubuntu:~$