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1. After decompressing arm-linux-gcc-4.3.2.tar.bz2, copy the 4.3.2 folder to the root directory / work / tools file and add it.
sudo cp ./work/nfs_roots/4.3.2 /work/tools
2. Add environment variables
chmod 766 -R / etc / environment // Grant read and write permissions to / etc / environment file
sudo vim / etc / environment // Edit the / etc / environment file
Add the following section to the / etc / environment file.
3. Check if the path has been added to the PATH
echo $PATH
4. Enter arm-linux-gcc -v in the terminal to query the version information.
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