> works when it works, but when it fails it really makes your life hard. Here, too, it just exits with 126, no message, and good luck to you as developer or use

> works when it works, but when it fails it really makes your life hard. Here, too, it just exits with 126, no message, and good luck to you as developer or user if something goes wrong. strace Nowadays I just reach for it immediately. Powerful, total/complete (since syscalls are everything). The typical unix tools all depend on these hard to discover environment things. Other processes, env vars, files here or there, sockets, dbus, signals...