To see the last time that you logged in, use lastlogin(8). -- Dru <genesis at istar.ca>
To see the MAC addresses of the NICs on your system, type ifconfig -a -- Dru <genesis at istar.ca>
To see the output from when your computer started, run dmesg(8). If it has been replaced with other messages, look at /var/run/dmesg.boot. -- Francisco Reyes <lists at natserv.com>
Want colour in your directory listings? Use "ls -G". "ls -F" is also useful, and they can be combined as "ls -FG".
Want to find a specific port, just type the following under /usr/ports or one its subdirectories: make search name=<port-name> or make search key=<keyword>
Want to know how many words, lines, or bytes are contained in a file? Type "wc filename". -- Dru <genesis at istar.ca>
Want to see how much virtual memory you're using? Just type "swapinfo" to be shown information about the usage of your swap partitions.
Want to strip UTF-8 BOM(Byte Order Mark) from given files? sed -e '1s/^\xef\xbb\xbf//' < bomfile > newfile
Want to use sed(1) to edit a file in place? Well, to replace every 'e' with an 'o', in a file named 'foo', you can do: sed -i.bak s/e/o/g foo And you'll get a backup of the original in a file named 'foo.bak', but if you want no backup: sed -i '' s/e/o/g foo
When you've made modifications to a file in vi(1) and then find that you can't write it, type ``<ESC>!rm -f