du (display disk usage)
Displays the amount of disk space used by a directory and each subdirectory.
Format: du directory_name
Examples: du
du /home/janet
If the directory named is omitted, the current directory is used. The size is displayed as the number of KB blocks.
| Opt | What It Does | Example |
|---|---|---|
| -a | List all files, not just subdirectories | du -a |
| -b | Display size in bytes | du -b |
| -c | Display grand total | du -c |
| -m | Display size in megabytes | du -m |
| -s | Display only the grand total | du -s |
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