# check

> RouterOS command reference for /disk/check.

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## disk/check 
**Conditions:** !smips
**Syscap:** storage
**Type:** Command

<ArgTable c1="Read-only Argument" c2="Type" c3="Description">
<ArgTableRow arg="output" typ="string">The check tool output: for ext4, the `e2fsck` passes and a summary line with file and block usage.</ArgTableRow>
</ArgTable>