mount: il mount point /mnt/dev non esiste
macubuntu@macubuntu:~$ cd && mkdir mountpoint && sudo mount /dev/sda1 mountpointMount is denied because the NTFS volume is already exclusively opened.
The volume may be already mounted, or another software may use it which
could be identified for example by the help of the 'fuser' command.
macubuntu@macubuntu:~$ mount | grep 'sda1'
/dev/sda1 on /mnt type fuseblk (rw,nosuid,nodev,allow_other,blksize=4096)
macubuntu@macubuntu:~$ ls /mnt
asc_rdflag      BOOTSECT.BAK            pagefile.sys
autoexec.bat    Config.Msi              ProgramData
avast! sandbox  config.sys              Program Files
bdlog.txt       Documents and Settings  Programmi
bdr-bz01        DRIVERS                 Recovery
bdr-cf01        drwtsn32.log            $Recycle.Bin
bdr-im01.gz     grub                    RECYCLER
bdr-ld01        Intel                   setup.log
bdr-ld01.mbr    IO.SYS                  swshare
boot            MNKTR                   SWTOOLS
Boot            MSDOS.SYS               System Volume Information
Boot.BAK        NTDETECT.COM            Temp
Bootfont.bin    ntldr                   Users
Boot.ini.saved  NTUser.dat              Windows
bootmgr         NTUser.dat.LOG          work