diff options
Diffstat (limited to 'login-utils/login.1')
| -rw-r--r-- | login-utils/login.1 | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/login-utils/login.1 b/login-utils/login.1 index d21a41efc..17b269335 100644 --- a/login-utils/login.1 +++ b/login-utils/login.1 @@ -115,10 +115,11 @@ of a tty device without the /dev/ prefix must be specified on each line. If the file does not exist, root is allowed to log in on any tty. .PP -The file +On most modern Linux systems PAM (Pluggable Authentication Modules) +is used. On systems that do not use PAM, the file .I /etc/usertty -specifies additional access restrictions for specific users. If this -file does not exist, no additional access restrictions are +specifies additional access restrictions for specific users. +If this file does not exist, no additional access restrictions are imposed. The file consists of a sequence of sections. There are three possible section types: CLASSES, GROUPS and USERS. A CLASSES section defines classes of ttys and hostname patterns, A GROUPS section |