---
name: "shmperm"
section: "1"
platform: "linux"
package: "selinux"
version: "2002031409-4"
release: "Debian 3.0 (Woody)"
platforms: ["linux"]
url: "https://carta.tech/man/shmperm"
---

# shmperm(1)

read and optionally alter the permissions for a shared memory segement

## NAME

shmperm - read and optionally alter the permissions for a shared memory segement

## SYNOPSIS

**shmperm** id permissions

## DESCRIPTION

**shmperm** returns the current permissions on the memory segment specified by *id* and if *permissions* were given, attempts to set the new permissions on the memory segment. The permissions must be given in numeric form and can not be given by letters.

## SEE ALSO

[**shmget**(1)](/man/shmget/1.md), [**shmsid**(1)](/man/shmsid/1.md), [**shmread**(1)](/man/shmread/1.md), [**shmwrite**(1)](/man/shmwrite/1.md), [**shmctl**(2)](/man/shmctl/2.md).