If the Linux kernel does not implement chroot as described below, then it cannot claim to be POSIX-compliant.
Going out of compliance will come at some cost.
https://pubs.opengroup.org/onlinepubs/7908799/xsh/chroot.htm...
Going out of compliance will come at some cost.
https://pubs.opengroup.org/onlinepubs/7908799/xsh/chroot.htm...
Linux systems adhere to POSIX,[81] SUS,[82] LSB, ISO, and ANSI standards where possible, although to date only one Linux distribution has been POSIX.1 certified, Linux-FT.[83][84]
https://en.wikipedia.org/wiki/Linux
Archive.org has the supporting documents.
https://web.archive.org/web/20160404122450/http://www.linuxj...
"Unifix GmbH (Braunschweig, Germany) developed a Linux system that has been certified to conform to FIPS 151-2 (a superset of POSIX.1). This technology was available in Unifix' own distribution called Unifix Linux 2.0 and in Lasermoon's Linux-FT."
https://web.archive.org/web/20111010111215/http://www.debian...