The Go-based sqlcmd adds modern commands and contexts, but ODBC sqlcmd scripts need flag, output, and exit-code tests before a swap.
Fast Exports With bcp
Fast exports with bcp compares native and character files, shows a format file, and explains where batch size helps and how to check a large export.
Installing SQL Server Silently From the Command Line
Installing SQL Server silently takes a reviewed ConfigurationFile.ini, required setup switches, and a check of logs and active instance settings.
Installing sqlcmd and bcp on a Clean Machine
Installing sqlcmd and bcp on Windows starts with the current Microsoft command line utilities, then PATH and version checks.