📦 shadow

C

• chage(1)change user password expiry information✨
• chfn(1)change your finger information✨
• chgpasswd(8)update group passwords in batch mode✨
• chpasswd(8)update passwords in batch mode✨
• chsh(1)change your login shell✨

E

• expiry(1)check and enforce password expiration policy✨

F

• faillog(5)login failure logging file✨
• faillog(8)display faillog records or set login failure limits✨

G

• getspnam(3)get shadow password file entry✨
• getsubids(1)get the subordinate id ranges for a user✨
• gpasswd(1)administer /etc/group and /etc/gshadow✨
• groupadd(8)create a new group✨
• groupdel(8)delete a group✨
• groupmems(8)administer members of a user's primary group✨
• groupmod(8)modify a group definition on the system✨
• grpck(8)verify integrity of group files✨
• grpconv(8)convert between the system's shadowed and plain account files✨
• grpunconv(8)convert between the system's shadowed and plain account files✨
• gshadow(5)shadowed group file✨

L

• login(1)begin session on the system✨
• login.defs(5)shadow password suite configuration✨
• logoutd(8)enforce login time restrictions✨

N

• newgidmap(1)set the gid mapping of a user namespace✨
• newgrp(1)log in to a new group✨
• newuidmap(1)set the uid mapping of a user namespace✨
• newusers(8)update and create new users in batch✨
• nologin(8)politely refuse a login✨

P

• passwd(1)change user password✨
• passwd(5)password file✨
• pwck(8)verify the integrity of password files✨
• pwconv(8)convert between the system's shadowed and plain account files✨
• pwunconv(8)convert between the system's shadowed and plain account files✨

S

• sg(1)execute command as different group ID✨
• shadow(3)encrypted password file routines✨
• shadow(5)shadowed password file✨
• su(1)run a command with substitute user and group ID✨
• subgid(5)the configuration for subordinate group ids✨
• subuid(5)the configuration for subordinate user ids✨

U

• useradd(8)create a new user or update default new user information✨
• userdel(8)delete a user account and related files✨
• usermod(8)modify a user account✨

V

• vigr(8)edit the password, group, shadow-password or shadow-group file✨
• vipw(8)edit the password, group, shadow-password or shadow-group file✨