Some commonly used Linux (Rocky,...) commands (no need to learn more)

These is some commonly used Centos, Rocky (RHEL Linux) commands. You no need to learn more. They are enough to use.

Note:

reboot ↵ (mean reboot system)
systemctl restart <something> ↵ (restart a program)
systemctl status <something> ↵ (watch working status of a program)
systemctl stop <something> ↵ (stop a program)
kill -9 <number of process ID> ↵ (kill a process by ID)
date ↵ (show current time on machine)
cp <source folder or file address> <destination folder> ↵ (copy file or folder)
mv <source folder or file address> <destination folder> ↵ (move file or folder)
cd <folder name or address, or nothing for current folder> ↵ (go to desk on that folder)
ls -l <folder address> ↵ (listing files, folders on current folder with permission)
rm -f <file name or address> ↵ (remove file)
rm -rf <folder name, or address> ↵ (remove folder)
mkdir <folder name, or address> ↵ (create folder)
cat <file name, or address> ↵ (Show content of this file)
vi <file name, or address> ↵ (Edit content of this file)
curl <url> ↵ (Call an internet address by GET method and return body)
wget <url> ↵ (download file from url to /root)
chown -R username:groupname <file/folder name or address> ↵ (set Owner)
chmod <number> <file/folder name or address> ↵ (set permission)