While many operating systems seem to try to prevent you from peeking under the hood, Unix and Linux positively encourage it.

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 ...

One of the nice things about Linux and similar operating systems is that you can investigate something to any level you wish. If a program has a problem you can decompile it, debug it, trace it, and — ...

My laptop's fan ran a bit harder than usual for a few days. It was consistent even when only my browser and text editor were open, and nothing visible seemed to trigger it. Using htop showed normal ...