Покажите вывод терминала:
Вывод grep:
The disk contains an unclean file system (0, 0).
Metadata kept in Windows cache, refused to mount.
Falling back to read-only mount because the NTFS partition is in an
unsafe state. Please resume and shutdown Windows fully (no hibernation
or fast restarting.)
Could not mount read-write, trying read-only
/dev/sda4 on / type ext4 (rw,relatime)
/dev/sda3 on /boot/efi type vfat (rw,relatime,fmask=0022,dmask=0022,codepage=437,iocharset=iso8859-1,shortname=mixed,errors=remount-ro)
/dev/sda1 on /mnt type fuseblk (ro,relatime,user_id=0,group_id=0,allow_other,blksize=4096)
Потом в выводе ls идет список файлов и директорий на /dev/sda1