pipeline

The article explains how to capture the Process ID (PID) of background processes in a Bash environment, especially when using pipelines. It highlights the challenges and complexities involved in capturing PIDs in such scenarios and provides practical examples of managing these processes, including monitoring their status and gracefully stopping them. The use of the special variable `$!` to obtain the PID of the last job in the background is demonstrated with scripts, aiding in robust system operations and process management.

Discover the potent `pv` (Pipe Viewer) utility in Unix-like systems for tracking data progress in pipelines. This tool is essential for managing extensive data transfers and compressions, displaying real-time data processed, time elapsed, throughput rate, and completion estimates. The article offers a comprehensive guide on installing `pv` across various Linux distributions and provides practical usage examples, making it indispensable for system administrators and Linux enthusiasts aiming to boost command-line efficiency.