Facl and Linux terminal login view commands

Facl:filesystem Access Control List

Save additional access control permissions with file extensions

Setfacl

-M: Set

U:uid:perm

G:gid:perm

-X: Cancel

Terminal type:

Console: Consoles

Pty: Physical Terminal (VGA)

TTY: Virtual terminal (VGA)

TTYs: Serial Terminal

pty/#: Pseudo Terminal

Several commands

W

W.H.O.

WhoAmI

Who am I

Sleep

Last, displays the/var/log/vtmp file, showing the user login history and System restart history

-N #: Show The last # times of thought information

Lastb,/var/log/btmp file that displays user error login attempts

-N #:

Lastlog: Displays the last successful login information for each user;

-U USERNAME: Displays recent login information for a specific user

BaseName

$: Execution script is the script path and its name

Mail

Mail–s "How is" root </etc/fstab

Hostname

This article is from the "Wang Liming" blog, make sure to keep this source http://80cto.blog.51cto.com/7503144/1774339

Facl and Linux terminal login view commands