root@localhost:~ $ df /dev/sdb1
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/sdb1 1922858352 23247088 1801935664 2% /mnt/external/sdb1
digunakan + tersedia = 1825182752
Ukuran - 1825182752 = 97675600
root@localhost:~ $ df /dev/sdb1
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/sdb1 1922858352 23247088 1801935664 2% /mnt/external/sdb1
digunakan + tersedia = 1825182752
Ukuran - 1825182752 = 97675600
Jawaban:
97675600 / 1825182752 = 5%
ini adalah ruang cadangan default untuk pengguna root.
Size - 1825182752
.