Update cheatsheets

croc

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# croc
+
+> Send and receive files easily and securely over any network.
+> More information: <https://github.com/schollz/croc>.
+
+- Send a file or directory:
+
+`croc send {{path/to/file_or_directory}}`
+
+- Send a file or directory with a specific passphrase:
+
+`croc send --code {{passphrase}} {{path/to/file_or_directory}}`
+
+- Receive a file or directory on receiving machine:
+
+`croc {{passphrase}}`
+
+- Send and connect over a custom relay:
+
+`croc --relay {{ip_to_relay}} send {{path/to/file_or_directory}}`
+
+- Receive and connect over a custom relay:
+
+`croc --relay {{ip_to_relay}} {{passphrase}}`
+
+- Host a croc relay on the default ports:
+
+`croc relay`
+
+- Display parameters and options for a croc command:
+
+`croc {{send|relay}} --help`