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Linux in a Nutshell, Fourth Edition by Aaron Weber, Stephen Figgins, Ellen Siever

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Name

last

Synopsis

                  last [options] [username] [ttynumber]

Display a list of the most recent logins, taken from the file /var/log/wtmp by default. If you specify a tty number or username, the output will display only the logins for that user or terminal.

Options

-n number, - number

Choose how many lines of logins to display. Thus, last -7 or last -n 7 displays seven lines.

-R

Do not show the hostname from which logins originated.

-a

Display the hostname from which logins originated.

-d

Display both IP address and hostname.

-f filename

Get the list of logins from a file you choose. The default source is /var/log/wtmp.

-i

Display IP address and hostname. Display the IP address in the numbers-and-dots notation.

-o

Read an old-style (libc5 application) wtmp file. Not likely to be useful on newer systems.

-x

Display shutdown messages and runlevel messages.

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