tencent cloud

sudo useradd cfsuser  # Create the `cfsuser` user
sudo useradd otheruser  # Create the `otheruser` user
sudo groupadd cfsgroup  # Create the `cfsgroup` user group
sudo usermod -g cfsgroup cfsuser  # Allocate `cfsuser` to `cfsgroup`
sudo touch file1 # Create a file named `file1`
sudo setfacl -m g:cfsgroup:r-x file1 # Grant the `cfsgroup` user group the permission to read and execute `file1`
sudo setfacl -m u:otheruser:rwx file1 # Grant the `otheruser` user the permission to read/write and execute `file1`