Provided by: manpages_6.9.1-1_all 

NAME
/proc/pid/personality - execution domain
DESCRIPTION
/proc/pid/personality (since Linux 2.6.28) This read-only file exposes the process's execution domain, as set by personality(2). The value is displayed in hexadecimal notation. Permission to access this file is governed by a ptrace access mode PTRACE_MODE_ATTACH_FSCREDS check; see ptrace(2).
SEE ALSO
proc(5) Linux man-pages 6.9.1 2024-05-02 proc_pid_personality(5)