tldr/pages/linux/utmpdump.md

# utmpdump

> Dump and load btmp, utmp and wtmp accounting files.
> More information: <https://manned.org/utmpdump>.

- Dump the `/var/log/wtmp` file to `stdout` as plain text:

`utmpdump {{/var/log/wtmp}}`

- Load a previously dumped file into `/var/log/wtmp`:

`utmpdump {{[-r|--reverse]}} {{dumpfile}} > {{/var/log/wtmp}}`
utmpdump: add page (#2931) 2019-04-19 02:29:16 -04:00			`# utmpdump`

			`> Dump and load btmp, utmp and wtmp accounting files.`
linux/*: add more information link (#7848) 2022-03-22 03:07:48 +10:00			`> More information: <https://manned.org/utmpdump>.`
utmpdump: add page (#2931) 2019-04-19 02:29:16 -04:00
pages/: add backticks around I/O streams (#10436) as suggested in #10428 * standard input => `stdin` * standard output => `stdout` * standard error => `stderr` Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com> 2023-08-09 07:29:02 +02:00			- Dump the `/var/log/wtmp` file to `stdout` as plain text:
utmpdump: add page (#2931) 2019-04-19 02:29:16 -04:00
			`utmpdump {{/var/log/wtmp}}`

			- Load a previously dumped file into `/var/log/wtmp`:

util-linux: add option placeholders and properly split posix versions in common (#16037) 2025-03-28 16:06:49 +02:00			`utmpdump {{[-r\|--reverse]}} {{dumpfile}} > {{/var/log/wtmp}}`