---
syntax: markdown
tags: [tldr, common]
source: https://github.com/tldr-pages/tldr.git
---
# sum

> Compute checksums and the number of blocks for a file.
> A predecessor to the more modern `cksum`.
> More information: <https://www.gnu.org/software/coreutils/sum>.

- Compute a checksum with BSD-compatible algorithm and 1024-byte blocks:

`sum {{path/to/file}}`

- Compute a checksum with System V-compatible algorithm and 512-byte blocks:

`sum --sysv {{path/to/file}}`
