The strace command lets you see what a process is doing, how it is interacting with the operating system. It monitors system calls and signals. As others have pointed out, using strace’s output can be ...

Both strace and ltrace are powerful command-line tools for debugging and troubleshooting programs on Linux: Strace captures and records all system calls made by a process as well as the signals ...

I have noticed from experience that when my Linux programs fail, it's often a subtle event that can leave you confused or unsure of what actually went wrong. When I have fallen back to top, htop, or ...