>> i'm trying to mount ntfs disk
default@laptop:/media$ sudo mount /dev/sda5 /media/ntfs/ -t ntfs -o iocharset=utf8,umask=000
>> premissions of /dev/sda5 and /media/ntfs: 'can view content' and i cant change it. 
default@laptop:/media$ sudo chmod oa=rwx /media/ntfs
chmod: keičiamos `/media/ntfs' teisės: Read-only file system