---
name: "xrdadler32"
section: "1"
platform: "linux"
package: "xrootd"
version: "6.1.1-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/xrdadler32"
---

# xrdadler32(1)

compute and display an adler32 checksum

## NAME

xrdadler32 - compute and display an adler32 checksum

## SYNOPSIS

```
xrdadler32 [file]
```

## DESCRIPTION

The **xrdadler32** utiliity computes and displays an adler32 checksum value for a file. Usage synopsis can be displayed by typing "**xrdadler32 -h**". Currently, only the usage synopsis is available as documentation.

## NOTES

Documentation for all components associated with **xrdadler32** can be found at https://xrootd.org/docs.html\
 The **xrdadler32** command uses the XRootD infrastructure to record the computed checksum in the file's extended attributes. Subsequent queries use the checksum stored in the file's attributes.

## DIAGNOSTICS

Errors yield an error message and a non-zero exit status.

## LICENSE

License terms can be displayed by typing "**xrootd -H**".

## SUPPORT LEVEL

The **xrdadler32** command is supported by the xrootd collaboration. Contact information can be found at\
 https://xrootd.org/contact.html