Common Commands for ARM Development Boards
1、reboot means to restart.
2、source makes the modified files take effect immediately, avoiding the problem of having to restart for the changes to take effect. For example, if we modify /etc/profile, the changes will not take effect immediately. In this case, we can enter source /etc/profile to apply the changes.
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3、chmod -R 777 /home/edu/practice sets all file permissions in the practice folder to 777.
4、Compress a single file: gzip