debian切换用户

# install sudo 
apt install sudo

# 创建用户
adduser longlongusername
usermod -aG sudo longlongusername

# 检查当前用户
cat /etc/passwd

# 切换用户
su - longlongusername

# 删除用户
deluser longlongusername --remove-home

参考：

1. how-to-add-and-delete-users-in-debian-12