Authen::Simple::Password (3pm) - Simple password checking
chage (1)            - change user password expiry information
chgpasswd (8)        - update group passwords in batch mode
chpasswd (8)         - update passwords in batch mode
cpgr (8)             - copy with locking the given file to the password or gr...
cppw (8)             - copy with locking the given file to the password or gr...
crypt (3)            - password and data encryption
crypt_r (3)          - password and data encryption
des_read_2passwords (3ssl) - Compatibility user interface functions
doveadm-pw (1)       - Dovecot's password hash generator
endpwent (3)         - get password file entry
endspent (3)         - get shadow password file entry
EVP_BytesToKey (3ssl) - password based encryption routine
expiry (1)           - check and enforce password expiration policy
fgetpwent (3)        - get password file entry
fgetspent (3)        - get shadow password file entry
fgetspent_r (3)      - get shadow password file entry
getpw (3)            - reconstruct password line entry
getpwent (3)         - get password file entry
getpwnam (3)         - get password file entry
getpwnam_r (3)       - get password file entry
getpwuid (3)         - get password file entry
getpwuid_r (3)       - get password file entry
getspent (3)         - get shadow password file entry
getspent_r (3)       - get shadow password file entry
getspnam (3)         - get shadow password file entry
getspnam_r (3)       - get shadow password file entry
git-credential-cache (1) - Helper to temporarily store passwords in memory
gitcredentials (7)   - providing usernames and passwords to Git
grpconv (8)          - convert to and from shadow passwords and groups
grpunconv (8)        - convert to and from shadow passwords and groups
grub-mkpasswd-pbkdf2 (1) - generate hashed password for GRUB
htdbm (1)            - Manipulate DBM password databases
lckpwdf (3)          - get shadow password file entry
ldappasswd (1)       - change the password of an LDAP entry
login.defs (5)       - shadow password suite configuration
pam_pwhistory (8)    - PAM module to remember last passwords
pam_unix (8)         - Module for traditional password authentication
pam_unix2 (8)        - Standard PAM module for traditional password authentic...
passwd (1ssl)        - compute password hashes
passwd (5)           - the password file
passwd2des (3)       - RFS password encryption
putpwent (3)         - write a password file entry
putspent (3)         - get shadow password file entry
pwck (8)             - verify integrity of password files
pwconv (8)           - convert to and from shadow passwords and groups
pwunconv (8)         - convert to and from shadow passwords and groups
setpwent (3)         - get password file entry
setspent (3)         - get shadow password file entry
sgetspent (3)        - get shadow password file entry
sgetspent_r (3)      - get shadow password file entry
shadow (5)           - shadowed password file
shadowconfig (8)     - toggle shadow passwords on and off
slapo-ppolicy (5)    - Password Policy overlay to slapd
slappasswd (8)       - OpenLDAP password utility
smbpasswd (5)        - The Samba encrypted password file
systemd-ask-password-console.path (8) - Query the user for system passwords o...
systemd-ask-password-console.service (8) - Query the user for system password...
systemd-ask-password-wall.path (8) - Query the user for system passwords on t...
systemd-ask-password-wall.service (8) - Query the user for system passwords o...
systemd-tty-ask-password-agent (1) - List or process pending systemd password...
ulckpwdf (3)         - get shadow password file entry
unix2_chkpwd (8)     - helper binary that verifies the password of the curren...
unix_chkpwd (8)      - Helper binary that verifies the password of the curren...
unix_update (8)      - Helper binary that updates the password of a given user
vigr (8)             - edit the password, group, shadow-password or shadow-gr...
vipw (8)             - edit the password, group, shadow-password or shadow-gr...
xcrypt (3)           - RFS password encryption
xdecrypt (3)         - RFS password encryption
xencrypt (3)         - RFS password encryption