diff --git a/pages/common/lwp-request.md b/pages/common/lwp-request.md
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+# lwp-request
+
+> Simple command-line HTTP client.
+> Built with libwww-perl.
+
+- Make a simple GET request:
+
+`lwp-request -m GET {{http://example.com/some/path}}`
+
+- Upload a file with a POST request:
+
+`cat {{/path/to/file}} | lwp-request -m POST {{http://example.com/some/path}}`
+
+- Make a request with a custom user agent:
+
+`lwp-request -H 'User-Agent: {{user_agent}} -m {{METHOD}} {{http://example.com/some/path}}`
+
+- Make a request with HTTP authentication:
+
+`lwp-request -C {{username}}:{{password}} -m {{METHOD}} {{http://example.com/some/path}}`
+
+- Make a request and print request headers:
+
+`lwp-request -U -m {{METHOD}} {{http://example.com/some/path}}`
+
+- Make a request and print response headers and status chain:
+
+`lwp-request -E -m {{METHOD}} {{http://example.com/some/path}}`
diff --git a/pages/common/skicka.md b/pages/common/skicka.md
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+# skicka
+
+> Manage your Google Drive.
+
+- Upload a file/folder to Google Drive:
+
+`skicka upload {{path/to/local}} {{path/to/remote}}`
+
+- Download a file/folder from Google Drive:
+
+`skicka download {{path/to/remote}} {{path/to/local}}`
+
+- List files:
+
+`skicka ls {{path/to/folder}}`
+
+- Show amount of space used by children folders:
+
+`skicka du {{path/to/parent/folder}}`
+
+- Create a folder:
+
+`skicka mkdir {{path/to/folder}}`
+
+- Delete a file:
+
+`skicka rm {{path/to/file}}`
diff --git a/pages/common/youtube-dl.md b/pages/common/youtube-dl.md
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+++ b/pages/common/youtube-dl.md
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+# youtube-dl
+
+> Download videos from YouTube and other websites.
+
+- Download a video or playlist:
+
+`youtube-dl {{https://www.youtube.com/watch?v=oHg5SJYRHA0}}`
+
+- Download the audio from a video and convert it to an MP3:
+
+`youtube-dl -x --audio-format {{mp3}} {{url}}`
+
+- Download video(s) as MP4 files with custom filenames:
+
+`youtube-dl --format {{mp4}} --output {{"%(title) by %(uploader) on %(upload_date) in %(playlist).%(ext)"}} {{url}}`
+
+- Download a video and save its description, metadata, annotations, subtitles, and thumbnail:
+
+`youtube-dl --write-description --write-info-json --write-annotations --write-sub --write-thumbnail {{url}}`
+
+- From a playlist, download all "Let's Play" videos that aren't marked "NSFW" or age-restricted for 7 year-olds:
+
+`youtube-dl --match-title {{"let's play"}} --age-limit {{7}} --reject-title {{"nsfw"}} {{playlist_url}}`