If you use the C shell, add the following line to the .cshrc file in your home directory to prevent core files from being written to disk: limit coredumpsize 0 -- Dru <genesis at istar.ca>
If you want df(1) and other commands to display disk sizes in kilobytes instead of 512-byte blocks, set BLOCKSIZE in your environment to 'K'. You can also use 'M' for Megabytes or 'G' for Gigabytes. If you want df(1) to automatically select the best size then use 'df -h'.
If you want to play CDs with FreeBSD, a utility for this is already included. Type 'cdcontrol' then 'help' to learn more. (You may need to set the CDROM environment variable in order to make cdcontrol want to start.)
If you'd like to keep track of applications in the FreeBSD ports tree, take a look at FreshPorts; http://www.freshports.org/
In order to make fetch (the FreeBSD downloading tool) ask for username/password when it encounters a password-protected web page, you can set the environment variable HTTP_AUTH to 'basic:*'.
In order to search for a string in some files, use 'grep' like this: grep "string" filename1 [filename2 filename3 ...] This will print out the lines in the files that contain the string. grep can also do a lot more advanced searches - type 'man grep' for details.
In order to support national characters for European languages in tools like less without creating other nationalisation aspects, set the environment variable LC_ALL to 'en_US.ISO8859-1'.
"man firewall" will give advice for building a FreeBSD firewall -- David Scheidt <dscheidt at tumbolia.com>
"man hier" will explain the way FreeBSD filesystems are normally laid out. -- David Scheidt <dscheidt at tumbolia.com>
Man pages are divided into section depending on topic. There are 9 different sections numbered from 1 (General Commands) to 9 (Kernel Developer's Manual). You can get an introduction to each topic by typing man <number> intro In other words, to get the intro to general commands, type man 1 intro