systemd-cgls --version (return code: 0)
systemd 229
+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ -LZ4 +SECCOMP +BLKID +ELFUTILS +KMOD -IDN
systemd-cgls --help (return code: 0)
systemd-cgls [OPTIONS...] [CGROUP...]
Recursively show control group contents.
-h --help Show this help
--version Show package version
--no-pager Do not pipe output into a pager
-a --all Show all groups, including empty
-l --full Do not ellipsize output
-k Include kernel threads in output
-M --machine= Show container