What exactly does the sentence go build-installsuffix cgo do?

see the official website to explain that the function is
to add a suffix to the directory where the package is installed to keep the output separate from the default version
I am testing that the function is
go build-installsuffix cgo
and does not add any suffixes,
such as
in src/test/main.go

package main

import "fmt"

func main() {
    fmt.Println("hello world")
}

what is the purpose of outputting files or test.exe
requests when go build-installsuffix cgo?

Jan.26,2022
MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b3a89c-2c22b.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b3a89c-2c22b.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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