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The PHP function readline_read_history() reads command history from a specified file, returning TRUE on success and FALSE on failure, and is used to load previously entered commands into the readline interface.
The article explains the PHP function readline_list_history(), which returns the complete command‑line history as an indexed array, describes its return value, and provides a practical example showing how to print the history using print_r.
This article explains how to use the Linux history command to view past commands, search with Ctrl +r, repeat previous entries, adjust the number of stored records, and clear the history, providing practical examples and configuration tips for effective shell management.