Uboot passed virtual console (devices tty1) to the kernel, causing the Linux startup scripts in the-CodePudding

Using arm embedded development board, because applications use the serial port, then change the start of the boot parameters for the virtual console. The console=devices tty1
To bring some puzzling question:
In the rcS file executable program work. The elf,
1. Work. The elf & gt;/dev/null 2 & gt; & 1 & amp;
Work. The elf program for
Through the elf & amp; 2. The work.
Work. The elf program is still not to
3. Work. The elf, and the work. The elf & gt;/dev/null 2 & amp; 1
OK

Question:
1. The background of the reason is what?
2. If the use of the work. The elf & gt;/dev/null 2 & amp; 1 the way, will not have a problem? Because not the background, the program can be killed?

CodePudding user response:

If it is in the terminal manually perform the work. The elf & amp; You will be successful?

CodePudding user response:

Because I closed the default terminal, only through Telnet login, in the Telnet terminal, how to use all no problem,