Linux Command Encyclopedia disk maintenance: LASTB

Feature Description: Lists user-related information that failed the login system.

Grammar: lastb&http://www.aliyun.com/zixun/aggregation/37954.html ">NBSP;" [-adrx] [F < record file] [-n < show number of columns] [Account name ...] [Terminal number ...]

Supplemental Note: Execute the LASTB instruction separately, it will read the file in the Var directory named Btmp, and put the file contents
The logged in failed user list, all displayed.

Parameters：
-a displays the host name or IP address from where the system is logged on to the last line.
-D converts the IP address to the host name.
-f< record file > Specify record file.
-n< Displays the number of columns > or-< the number of display columns > sets the number of displayed columns for the list.
-R does not display the host name or IP address of the login system.
-X displays information such as system shutdown, reboot, and execution level changes.