...umeric key ID in much the same way. User keyrings are independent of clone (2), fork (2), vfork (2), execve (2), and _exit (2) excepting that the keyring is destroyed when the U…...ch the same way. A process's session keyring is inherited across clone (2), fork (2), and vfork (2). The session keyring is preserved across execve (2), even when the executable…...ey ID in much the same way. User session keyrings are independent of clone (2), fork (2), vfork (2), execve (2), and _exit (2) excepting that the keyring is destroyed when the U…...earched by request_key (2). The persistent keyring is independent of clone (2), fork (2), vfork (2), execve (2), and _exit (2). It persists until its expiration timer triggers, …...a new PID namespace start at 1, somewhat like a standalone system, and calls to fork (2), vfork (2), or clone (2) will produce processes with PIDs that are unique within the nam…