Linux/etc/passwd File Options Description _linux

The/etc/passwd file is a plain text file with the same format for each line:

Name:password:uid:gid:comment:home:shell

They have the following meanings:

Domain	Description
Name	User Login Name
Password	User password. The password in this domain is encrypted. When the user logs on to the system, the system takes the same algorithm for the password entered and compares it with the content in this domain. If this field is blank, the user does not need a password to log on.
Uid	Specifies the user's UID . After the user logs into the system, the system identifies the user by this value, not the user name.
Gid	GID . This value is used if the system is to give the same rights to the same group of people.
Comment	Used to save the user's real name and personal details.
Home	Specifies the absolute path of the user's home directory.
Shell	If the user logs on successfully, the absolute path of the command to execute is placed in this area. It can be any command.