---
name: "proc_pid_auxv"
section: "5"
platform: "linux"
package: "man-pages"
version: "6.19-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/proc_pid_auxv"
---

# proc\_pid\_auxv(5)

exec(3) information

## NAME

/proc/pid/auxv - [exec(3)](/exec/3.md) information

## DESCRIPTION

- */proc/*pid*/auxv* (since Linux 2.6.0)

  This contains the contents of the ELF interpreter information passed to the process at exec time. The format is one *unsigned long* ID plus one *unsigned long* value for each entry. The last entry contains two zeros. See also [**getauxval**(3)](/getauxval/3.md).

-

  Permission to access this file is governed by a ptrace access mode **PTRACE\_MODE\_READ\_FSCREDS** check; see [**ptrace**(2)](/ptrace/2.md).

## SEE ALSO

[**proc**(5)](/proc/5.md)