Understanding the /etc/passwd File | Linuxize
linuxize.com › post › etc-passwd-fileDec 01, 2019 · /etc/passwd Format # The /etc/passwd file is a text file with one entry per line, representing a user account. To view the contents of the file, use a text editor or a command such as cat: cat /etc/passwd. Usually, the first line describes the root user, followed by the system and normal user accounts. New entries are appended at the end of the ...
passwd - Wikipedia
https://en.wikipedia.org/wiki/PasswdPrior to password shadowing, a Unix user's hashed password was stored in the second field of their record in the /etc/passwd file (within the seven-field format as outlined above). Password shadowing first appeared in Unix systems with the development of SunOS in the mid-1980s, System V Release 3.2 in 1988 and BSD4.3 Reno in 1990. But, vendors who had performed ports from earlier UNIX releases did not always include the new password shadowing features i…
Using the /etc/passwd file
https://www.ibm.com/docs/en/aix/7.1?topic=passwords-using-etcpasswd-fileThe /etc/passwd file is owned by the root user and must be readable by all the users, but only the root user has writable permissions, which is shown as -rw-r--r--.If a user ID has a password, then the password field will have an ! (exclamation point). If the user ID does not have a password, then the password field will have an * (asterisk). The encrypted passwords are stored in the /etc ...