It does in section "Special Parameters"
** Changed in: bash (Ubuntu) Status: New => Invalid -- bash manpage should explain $$ https://bugs.launchpad.net/bugs/181792 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs