.k5login (5)         - Kerberos V5 acl file for host access.
access.conf (5)      - the login access control table file
chsh (1)             - change your login shell
faillog (5)          - login failure logging file
faillog (8)          - display faillog records or set login failure limits
getlogin (3)         - get username
getlogin (3p)        - get login name
getlogin_r (3)       - get username
getlogin_r (3p)      - get login name
git-shell (1)        - Restricted login shell for Git-only SSH access
issue (5)            - prelogin message and identification file
lastlog (8)          - reports the most recent login of all users or of a giv...
lchsh (1)            - Change login shell
login (1)            - sign on
login (3)            - write utmp and wtmp entries
login.defs (5)       - shadow password suite configuration
login_tty (3)        - tty utility functions
logname (1)          - print user's login name
logname (1p)         - return the user's login name
nologin (5)          - prevent unprivileged users from logging into the system
nologin (8)          - politely refuse a login
pam_access (8)       - PAM module for logdaemon style login access control
pam_lastlog (8)      - PAM module to display date of last login
pam_loginuid (8)     - Record user's login uid to the process attribute
pam_nologin (8)      - Prevent non-root users from login
pam_securetty (8)    - Limit root login to special devices
pam_sepermit (8)     - PAM module to allow/deny login depending on SELinux en...
pam_shells (8)       - PAM module to check for valid login shell
pam_tally2 (8)       - The login counter (tallying) module
pklogin_finder (1)   - maps certificates into a user
rlogin (1)           - remote login
shells (5)           - pathnames of valid login shells
slogin (1)           - OpenSSH SSH client (remote login program)
ssh (1)              - OpenSSH SSH client (remote login program)
sulogin (8)          - Single-user login
utmp (5)             - login records
utmpx (5)            - login records
wtmp (5)             - login records