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du
tells you how much disk space files/directories take up
-s: summary: total size of all files in a directory
-h: human readable sizes
df
tells you how much free space each partition has. -h for human-readable sizes
Filesystem |
Size |
Used |
Avail |
Use% |
Mounted on |
|---|---|---|---|---|---|
/dev/sda3 |
18G |
G |
2.5G |
86% |
/ |
udev |
483M |
4.0K |
483M |
1% |
/dev |
tmpfs |
99M |
1.4M |
97M |
2% |
/run |
/dev/sda4 |
167G |
157G |
9.9G |
95% |
/home |
df -i
instead of % disk fee, report how many inodes are used/fee on each partition
happy little stick person: running out of inodes is VERY ANNOYING. You can’t create new files!
ncdu
see what’s using disk space in an interactive way
| 17.5 GiB | [#####] | /music |
|---|---|---|
| 3.2 GiB | [## ] | /photos |
| 5.7 MiB | [ ] | /code |
| 2.0 MiB | [ ] | file.pdf |
iostat
get statistics about disk reads/writes
# iostat 5 (interval to report at)`
| Device: | kB_read/s | kB_wrtn/s |
|---|---|---|
| sda | 2190.21 | 652.87 |
| sdb | 6.00 | 0.00 |