Some context(For those interested only in the glibc and POSIX issues, see at the end.)I use Linux almost everywhere, from laptops and desktops to servers and routers, and over the course of many years I've written quite a few bash scripts that ease my interaction with all of these.The usual "stack" that ties all of these together is composed of:bash, obviously for scripting;ssh, for remote execution;i3, the window manager for desktop environments;screen, for terminal multiplexing;tmux, for termi...