: It is highly effective for moving small files (like logs or configuration files) over an established SSH or serial session where SFTP or SCP might not be configured.
While still available on most Linux distributions, sz is an older tool. For modern Windows environments using , some users prefer trzsz , which offers similar ZMODEM-like functionality with better support for modern terminal features. Dropped Z-MODEM support (and one alternative) #13 - GitHub sz.exe
The (or simply sz in Unix-like environments) is a command-line utility used to send files from a remote host to a local computer using error-correcting protocols like ZMODEM , YMODEM , or XMODEM . It is part of the lrzsz package, a suite of tools traditionally used for file transfers over serial or terminal connections. Core Functionality : It is highly effective for moving small
The primary purpose of sz is to initiate a "send" operation. When you execute it on a remote server, it communicates with a compatible terminal emulator (like SecureCRT , PuTTY , or KiTTY ) on your local machine to automatically trigger a download. Dropped Z-MODEM support (and one alternative) #13 -
: This is the most common protocol used with sz because it supports "AutoDownload," allowing the local terminal to start receiving the file without user intervention.