The rumdl is a fast Markdown linter and formatter written in Rust. It checks Markdown files for common style and formatting problems, reports violations with detailed diagnostics, and can automatically...

Linux control groups, commonly known as cgroups, provide mechanisms for controlling and monitoring resources allocated to processes and containers. Docker relies on cgroups to apply limits and manage resources such...

Identifying whether a process is running inside a Docker container is a useful diagnostic step when working with containerized applications. Container environments isolate processes from the underlying host, which can...

The terminal window has a defined number of rows and columns, and knowing these dimensions can be useful when working with shell scripts, command-line tools, and terminal-based interfaces. This tutorial...

In system programming, applications sometimes need to determine the directory from which the current process is operating. The current working directory can be useful when handling relative file paths, locating...

Terminal dimensions can be useful in command-line interface applications that need to format output according to the available screen space. Examples include text-based interfaces, tables, progress displays, and other console-oriented...

The pv (Pipe Viewer) is a command-line utility that monitors data passing through a pipeline. It can display useful transfer information such as the amount of data processed, elapsed time...

FFmpeg provides several command-line tools for examining multimedia files and extracting information from their streams. Media duration is one of the most useful properties when analyzing a video or audio...

Some conditional branches occur far more frequently than others. In code where performance is critical, it can be useful to communicate these expected execution patterns to the compiler. This allows...

FFmpeg provides command-line tools for inspecting multimedia files and extracting useful information about their streams. A single media file can contain multiple streams, such as video, audio, subtitles, or other...