# osx

- [checksum a file from a url](/osx/checksum-a-file-from-a-url.md)
- [cluster ssh in iterm2 with i2cssh](/osx/cluster-ssh-in-iterm2-with-i2cssh.md)
- [list open port](/osx/list-open-port.md)
- [manage clipboard easily with jumpcut](/osx/manage-clipboard-easily-with-jumpcut.md)
- [pipe output to clipboard with pbcopy and pbpaste](/osx/pipe-output-to-clipboard-with-pbcopy-and-pbpaste.md)
- [show hidden file](/osx/show-hidden-file.md)
- [sign application with self certificate](/osx/sign-application-with-self-certificate.md)
- [starting program on startup with login items](/osx/starting-program-on-startup-with-login-items.md)