If you are using Ubuntu Dapper Drake, you could press CTRL+SHIFT and then the unicode for special characters so you didn't have to copy and paste them from the Character palette every time you wanted to use them.
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sysrqd is a tiny daemon aiming to control sysrq over network.SysRq stands for System Request, and this are functions mapped to keyboard short cuts by the kernel. You can use them by pressing Alt+SysRq+[key] (SysRq might be named “Print Screen” on your keyboard),Permits to execute usual SysRq commands by network, like: sync, umount, reboot, poweroff, sak, term, etc. where key can be s (sync), k (sak), 0 to 9 (logging level), b (reboot), etc.
Dar is a shell command that makes backup of a directory tree and files. Its features include splitting archives over several files, CDs, ZIPs, or floppies, compression, full or differential backups, strong encryption, proper saving and restoration of hard links and extended attributes, remote backup using pipes and external command (such as ssh), and rearrangement of the "slices" of an existing archive. It can now run commands between slices, encrypt archives, and quickly retrieve individual files from differential and full backups. Dar also has external GUI like kdar for Linux,thanks to the well documented API.
Apache HTTP Server is a free software/open source web server for Unix-like systems, Microsoft Windows, Novell NetWare and other platforms. Apache is notable for playing a key role in the initial growth of the World Wide Web,and continues to be the most popular web server in use, serving as the de facto reference platform against which other web serversare designed and judged.