NAME
chgpasswd - update group passwords in batch mode
SYNOPSIS
chgpasswd [options]
DESCRIPTION
chgpasswd
reads a list of group name and password pairs from standard input and uses this information to update a set of existing groups. Each line is of the format:
group_name:password
By default the supplied password must be in clear-text. Default encryption algorithm is DES.
This command is intended to be used in a large system environment where many accounts are created at a single time.
OPTIONS
The options which apply to the
chgpasswd
command are:
-e, --encrypted
Supplied passwords are in encrypted form.
-h, --help
Display help message and exit.
-m, --md5
Use MD5 encryption instead of DES when the supplied passwords are not encrypted.
CAVEATS
Remember to set permissions or umask to prevent readability of unencrypted files by other users.
SEE ALSO
gpasswd(1),
groupadd(8).