Manpages CHPASSWDSection: Maintenance Commands (8)Index Return to Main Contents NAMEchpasswd - update password file in batchSYNOPSISchpasswd [-e]DESCRIPTIONchpasswd reads a file of user name and password pairs from standard input and uses this information to update a group of existing users. Without the -e switch, the passwords are expected to be cleartext. With the -e switch, the passwords are expected to be in encrypted form. Each line is of the format
user_name:password The named user must exist. The supplied password will be encrypted as necessary, and the password age updated, if present. This command is intended to be used in a large system environment where many accounts are created at a single time. CAVEATSThe input file must be protected if it contains unencrypted passwords.SEE ALSOpasswd(1), useradd(8), newusers(8)AUTHORJulianne Frances Haugh (jfh@austin.ibm.com)
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