tldr/pages/common/less-than-more-than.md

<>

Open a file descriptor for read and write. More information: https://www.gnu.org/software/bash/manual/bash.html#Opening-File-Descriptors-for-Reading-and-Writing.

• Open a file in a file descriptor for read an write:

exec {{3}}<>{{path/to/file}}

• Open a file descriptor to a remote connection:

exec {{3}}<>/dev/{{tcp}}/{{remote_host}}/{{port_number}}

• Close a file descriptor:

exec {{3}}<>-