Updating path in linux
Usually, this procedure uses the TFTP protocol widely supported by various loaders.
How do I set the environment variable and have it stay in effect after the script finished?
This tutorial provides a general description of updating Linux-based firmware and illustrates it with some specific implementations.
First, consider the sections of the memory system (Figure 1) and parts of memory that should be updated while transferring software to a new version.
Thus, one has that path already before editing the file..bash_profile is used only by the login shell.
If you edit that file and simply open another Terminal, you will see no change..bashrc is sourced by every interactive shell, but nested shells would repeat same FOO=bar:$FOO.
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For example, a small-size bootloader is copied to the CPU internal memory, performs initialization of external memory and copies the second-level loader to the external RAM.