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Red Hat Certified System Administrator EX200 (RHEL 10) · Domain 9: Manage users and groups

Changing passwords (passwd, passwd --stdin) and adjusting password aging (chage -M -m -W -E -d 0)

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Last reviewed September 25, 2026 · Leer en español

Passwords are stored as hashes in /etc/shadow, along with aging information that controls how long a password is valid. RHCSA tasks ask you to set passwords, force users to change them and apply aging rules. Two commands cover this: passwd sets passwords, and chage (change age) manages aging.

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