The syntax is identical to the Windows SamFirm:
While the original tool was designed exclusively for Windows and is now deprecated, several modern, cross-platform alternatives allow you to download and decrypt official Samsung firmware on Recommended Linux Alternatives samfirm tool linux
Obtaining the stock boot.img or init_boot.img to patch with Magisk. Top Samsung Firmware Tools for Linux 1. Samloader (The CLI Powerhouse) The syntax is identical to the Windows SamFirm: