Posted by sibu on March 3, 2009
Fields in /etc/passwd
sibu:x:504:532:sibuhomepage:/home/sibu:/bin/bash
1. Username: User’s login name. It should be between 1 and 32 characters in length.
2. Password: An x character indicates that encrypted password is stored in /etc/shadow file.
3. User ID (UID): Each user must be assigned a user ID (UID).
UID 0 (zero) is reserved for root and UIDs 1-99 are reserved for other predefined accounts. Further UID 100-999 are reserved by system for administrative and system accounts/groups.
4. Group ID (GID): The primary group ID (stored in /etc/group file)
5. User ID Info: The comment field. It allow you to add extra information about the users.
6. Home directory: user’s home directory
7. Command/shell: shell (/bin/bash).
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