/etc/*release

cat /etc/*release

/etc/redhat-release
/etc/fedora-release
/etc/alpine-release
/etc/os-release
/etc/lsb-release

Related

• lsb_release -a
• /etc/issue

See also

• lsb_release, lsb_release --help, lsb_release -cs, /etc/*release, /etc/issue, hostnamectl, uname
• Linux distributions: Debian, Ubuntu, RHEL, Amazon Linux, Oracle Linux, ArchLinux, SUSE