NAME
shmget - allocate a System V IPC shared memory segment
SYNOPSIS
shmget [-k key] [-c security_context | -s sid] [-b size_in_bytes]
DESCRIPTION
shmget allocates a shared memory segment (creating it if necessary.) The id of the memory segment allocted is printed to standard output.
OPTIONS
- -k
-
Key. Allocate a memory segment with the specified key.
- -c
-
Security Context. Allocate a memory segment with the specified security context.
- -s
-
Security Identifier. Allocate a memory segment with the specified security identifier.
- -b
-
Size in Bytes. The size of the memory segment (in bytes) to create if a segment with the given key does not already exist.
SEE ALSO
shmsid(1), shmread(1), shmwrite(1), shmperm(1), shmget(2), shmget_secure(2).