firefox
A free and open source web browser. tldr-pages
On several platforms
Several platforms
Launch Firefox and open a web page
firefox https://www.duckduckgo.comIdentifyOpen a new window
firefox --new-window https://www.duckduckgo.comIdentifyOpen a private (incognito) window
firefox --private-windowIdentifySearch for "wikipedia" using the default search engine
firefox --search "wikipedia"IdentifyLaunch Firefox in safe mode, with all extensions disabled
firefox --safe-modeIdentifyTake a screenshot of a web page in headless mode
firefox --headless --screenshot path/to/output_file.png https://example.com/IdentifyUse a specific profile to allow multiple separate instances of Firefox to run at once
firefox --profile path/to/directory https://example.com/IdentifySet Firefox as the default browser
firefox --setDefaultBrowserIdentify