Sử dụng lệnh df để theo dõi dung lượng disc còn trống, xem file system mà disc sử dụng. Sau đây là các ví dụ về lệnh df
1. Xem thông tin disc free:
1. Xem thông tin disc free:
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Kết quả:
$ df
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2. Xem thông tin dung lượng disc dưới dạng dung lượng dễ hiểu
Filesystem 1K-blocks Used Available Use% Mounted on
udev 1460176 0 1460176 0% /dev
tmpfs 296744 4780 291964 2% /run
/dev/sda1 17817004 14438236 2450668 86% /
tmpfs 1483700 82892 1400808 6% /dev/shm
tmpfs 5120 0 5120 0% /run/lock
tmpfs 1483700 0 1483700 0% /sys/fs/cgroup
cgmfs 100 0 100 0% /run/cgmanager/fs
tmpfs 296744 56 296688 1% /run/user/1000
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kết quả:
df -h
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Kết quả:
df -h
Filesystem Size Used Avail Use% Mounted on
udev 1,4G 0 1,4G 0% /dev
tmpfs 290M 4,7M 286M 2% /run
/dev/sda1 17G 14G 2,4G 86% /
tmpfs 1,5G 74M 1,4G 6% /dev/shm
tmpfs 5,0M 0 5,0M 0% /run/lock
tmpfs 1,5G 0 1,5G 0% /sys/fs/cgroup
cgmfs 100K 0 100K 0% /run/cgmanager/fs
tmpfs 290M 56K 290M 1% /run/user/1000
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dung lượng như ta thấy dung lượng được show cả ở GB và MB
[b][shadow=blue]3. Xem dung lượng sử dụng chỉ ở dạng MB[/shadow][/b]
[code] df -m
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4. List inode information instead of block usage
df -m
Filesystem 1M-blocks Used Available Use% Mounted on
udev 1426 0 1426 0% /dev
tmpfs 290 5 286 2% /run
/dev/sda1 17400 14100 2394 86% /
tmpfs 1449 80 1370 6% /dev/shm
tmpfs 5 0 5 0% /run/lock
tmpfs 1449 0 1449 0% /sys/fs/cgroup
cgmfs 1 0 1 0% /run/cgmanager/fs
tmpfs 290 1 290 1% /run/user/1000
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5. Display the file system type df -i
Filesystem Inodes IUsed IFree IUse% Mounted on
udev 365044 429 364615 1% /dev
tmpfs 370925 610 370315 1% /run
/dev/sda1 1140160 906386 233774 80% /
tmpfs 370925 197 370728 1% /dev/shm
tmpfs 370925 4 370921 1% /run/lock
tmpfs 370925 18 370907 1% /sys/fs/cgroup
cgmfs 370925 14 370911 1% /run/cgmanager/fs
tmpfs 370925 26 370899 1% /run/user/1000
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6. Display only the specific file system type
df -T
Filesystem Type 1K-blocks Used Available Use% Mounted on
udev devtmpfs 1460176 0 1460176 0% /dev
tmpfs tmpfs 296744 4780 291964 2% /run
/dev/sda1 ext4 17817004 14438360 2450544 86% /
tmpfs tmpfs 1483700 80460 1403240 6% /dev/shm
tmpfs tmpfs 5120 0 5120 0% /run/lock
tmpfs tmpfs 1483700 0 1483700 0% /sys/fs/cgroup
cgmfs tmpfs 100 0 100 0% /run/cgmanager/fs
tmpfs tmpfs 296744 56 296688 1% /run/user/1000
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7. Exclude specific file system type
df -t ext4
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/sda1 17817004 14438472 2450432 86% /
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8. Display usage for a folder
df -x ext4
Filesystem 1K-blocks Used Available Use% Mounted on
udev 1460176 0 1460176 0% /dev
tmpfs 296744 4780 291964 2% /run
tmpfs 1483700 79564 1404136 6% /dev/shm
tmpfs 5120 0 5120 0% /run/lock
tmpfs 1483700 0 1483700 0% /sys/fs/cgroup
cgmfs 100 0 100 0% /run/cgmanager/fs
tmpfs 296744 56 296688 1% /run/user/1000
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df -hT /home/vpss/
Filesystem Type Size Used Avail Use% Mounted on
/dev/sda2 ext4 457G 409G 25G 95% /