Add Curl With Cookies as a unix til

README.md

@@ -10,7 +10,7 @@ pairing with smart people at Hashrocket.
 
 For a steady stream of TILs, [sign up for my newsletter](https://tinyletter.com/jbranchaud).
 
-_987 TILs and counting..._
+_988 TILs and counting..._
 
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@@ -908,6 +908,7 @@ _987 TILs and counting..._
 - [Copying File Contents To System Paste Buffer](unix/copying-file-contents-to-system-paste-buffer.md)
 - [Copying Nested Directories With Ditto](unix/copying-nested-directories-with-ditto.md)
 - [Create A File Descriptor with Process Substitution](unix/create-a-file-descriptor-with-process-substitution.md)
+- [Curl With Cookies](unix/curl-with-cookies.md)
 - [Curling For Headers](unix/curling-for-headers.md)
 - [Curling With Basic Auth Credentials](unix/curling-with-basic-auth-credentials.md)
 - [Display All The Terminal Colors](unix/display-all-the-terminal-colors.md)

unix/curl-with-cookies.md

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+# Curl With Cookies
+
+Some endpoints require certain cookies to be included in order to get the
+response you are looking for. For instance, if the endpoint is authenticated
+with a session cookie, then you will need to provide that session cookie when
+curling.
+
+The `-b` flag can be used to instruct `curl` to include a cookie in the header
+of a request.
+
+```bash
+$ curl -b session=abc123SessionToken https://authenticated-url.com
+```
+
+See `man curl` for more details and other flags.