The .tcl box command executes the specified TCL command as part of the output and draws a box around it. This command is similar to the .box command, except that the box parameters cannot be specified. The width of the box is determined by the left and right margins.
.tcl box tcl.command
|tcl.command||Specifies the TCL command to be output with a box.|
The who command is used to show the current user-ID and account name.
.tcl box who