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I have been unable to get disk usage from df. Instead I am getting Free inodes regardless of asking for block sizes using -BM or other sizes.

My computer harddisk is /dev/sda which has 3 partitions with the following partitions and disk usage using lsblk:

[matta@matta]: ~>$ lsblk /dev/sda -o NAME,SIZE,TYPE,FSUSED,FSUSE%
NAME     SIZE TYPE FSUSED FSUSE%
sda    119.2G disk        
├─sda1   212M part 141.9M    71%
├─sda2   118G part  73.1G    63%
└─sda3     1G part

If I type df:

[matta@matta]: ~>$ df /dev/sda
Filesystem     Type Inodes IUsed IFree IUse% Mounted on
/dev/sda2      ext4   7.4M  1.3M  6.2M   17% /
total          -      7.4M  1.3M  6.2M   17% -

or df -BM:

[matta@matta]: ~>$ df -BM /dev/sda2
Filesystem     Type  Inodes   IUsed   IFree IUse% Mounted on
/dev/sda2      ext4 7741440 1270517 6470923   17% /
total          -    7741440 1270517 6470923   17% -

I want the output to show free disk space, not free inodes.

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  • Is df aliased to df -Ti --total? What's the output of type df? Commented May 5, 2020 at 3:29
  • it looks like you got it... df is aliased to "df -ahiT --total" Thanks Commented May 5, 2020 at 3:36

2 Answers 2

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[matta@matta]: ~>$ type df
df is aliased to `df -ahiT --total'

to unalias it: unalias df

and now...

[matta@matta]: ~>$ df -BG /dev/sda2
Filesystem     1G-blocks  Used Available Use% Mounted on
/dev/sda2           116G   74G       37G  67% /
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It looks like your df is alias-ed. You can avoid using the alias without unalias-ing it by using a \ before the command. So, try,

\df /dev/sda

Otherwise try:

unalias df
df /dev/sda
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