root@ubuntu:/home/typ/demo# arm-none-linux-gnueabi-gcc led_app.c -o led_apparm-none-linux-gnueabi-gcc:command not foundroot@ubuntu:/home/typ/demo# echo $PATH/usr/local/arm/opt/FriendlyARM/toolschain/4.4.3/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:

来源：学生作业帮助网 编辑：作业帮 时间：2024/07/05 14:40:54
root@ubuntu:/home/typ/demo# arm-none-linux-gnueabi-gcc led_app.c -o led_apparm-none-linux-gnueabi-gcc:command not foundroot@ubuntu:/home/typ/demo# echo $PATH/usr/local/arm/opt/FriendlyARM/toolschain/4.4.3/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:
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root@ubuntu:/home/typ/demo# arm-none-linux-gnueabi-gcc led_app.c -o led_apparm-none-linux-gnueabi-gcc:command not foundroot@ubuntu:/home/typ/demo# echo $PATH/usr/local/arm/opt/FriendlyARM/toolschain/4.4.3/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:
root@ubuntu:/home/typ/demo# arm-none-linux-gnueabi-gcc led_app.c -o led_app
arm-none-linux-gnueabi-gcc:command not found
root@ubuntu:/home/typ/demo# echo $PATH
/usr/local/arm/opt/FriendlyARM/toolschain/4.4.3/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
环境变量设置了,为嘛编译的时候还是arm-none-linux-gnueabi-gcc:command not found

root@ubuntu:/home/typ/demo# arm-none-linux-gnueabi-gcc led_app.c -o led_apparm-none-linux-gnueabi-gcc:command not foundroot@ubuntu:/home/typ/demo# echo $PATH/usr/local/arm/opt/FriendlyARM/toolschain/4.4.3/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:
ubuntu中设置环境变量：gedit /etc/environment,加入arm-none-linux-gnueabi-gcc所在路径,然后source /etc/environment生效,重启系统就OK了

root@ubuntu:/home/wei# mount 这是什么意思root@ubuntu:/home/wei# mount/dev/loop0 on / type ext4 (rw,errors=remount-ro)proc on /proc type proc (rw,noexec,nosuid,nodev)none on /sys type sysfs (rw,noexec,nosuid,nodev)none on /sys/fs/fuse/connection root@ubuntu:/home/typ/demo# arm-none-linux-gnueabi-gcc led_app.c -o led_apparm-none-linux-gnueabi-gcc:command not foundroot@ubuntu:/home/typ/demo# echo $PATH/usr/local/arm/opt/FriendlyARM/toolschain/4.4.3/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin: 我的ubuntu linux系统内,输入root命令,为何出现“The program 'root' is currently not installed”?不是root不用创建么,为什么提示目前没有安装呢?那又怎样安装呢? ubuntu login 硬盘安装linux Ubuntu时出现错误 unable to find a medium containing a live file systemtitle Install Ubuntu 9.10(9.04)root (hd0,0)kernel /vmlinuz boot=casper iso-scan/filename=/ubuntu-9.10-desktop-i386.iso ro quiet splash locale=zh_CN.UTF-8init Ubuntu,Linux 2.6.32.22-generic Ubuntu, ubuntu-docs是什么? 官网ubuntu是不是ubuntu.com 原版Ubuntu是不是指ubuntu桌面版还是麒麟版 TY是什么意思TY是什么意思? 英语翻译As if to drive home the point yet again,Ubuntu is not just for use in the office or home library by those with business,art ,or geeky things in mind. TY 是什么意思 ty是什么意思? ty是什么意思 prefix+root root 是什么意思 removing root Root 是什么意思? ROOT 是什么意思?