test xfubar = x`busybox echo fubar`
echo server 源代码
汇集 echo server 相关的电路原理图、PCB工程文件、单片机/FPGA源代码、数据手册与应用设计方案。
test `busybox echo word | wc -c` -eq 5
test "`busybox echo foo bar`" = "foo bar"
test xfubar = x`busybox echo fubar`
test `busybox echo word | wc -c` -eq 5
test "`busybox echo foo bar`" = "foo bar"
test xfubar = x`busybox echo fubar`
test `busybox echo word | wc -c` -eq 5
test "`busybox echo foo bar`" = "foo bar"
test xfubar = x`busybox echo fubar`