B

background processes, 204-205 backups automated, 136-138 compressing, 134-135 creating, 132-138 cron utility, 136-138 dd command, 135 dump command, 130 excluding files from, 134 extracting, with tar, 133 incremental, 134 to magnetic tapes, 135 rsync command, 136 System Backup tool, 60-62 balanced-tree database structure, 143 bandwidth usage, monitoring, with iftop utility, 260-261 Bash shell, 93

advantages and disadvantages of, 503 compatibility of, 504 help command, 83 history mechanism, 74-75 key sequences, 74 working with, 73-75 bg command, 205 /bin directory, 33 binary kernels, 499 black holing, 544 blacklists, 489 block devices, 34 Bluetooth printers, 268 /boot directory, 33 /boot partition, 146 /boot/grub/device.map file, 184-185 /boot/grub/menu.lst file, 184 Boot from Hard Disk option, 3

boot images, 3

boot loader, 57, 179. See also Grand Unified

Boot Loader (GRUB) Boot Loader Settings menu, 184-187 boot menu, 189

boot messages, reading, 215-217 boot options, 180, 189, 192 Boot or Rescue Floppy option, 57 boot procedure, 179

including services in, 197 loading kernel modules, 494 manually tuning, 194-196 overview, 179 PXE, 647, 653-655 tuning with YaST, 196 using GRUB, 179-189 boot record, 179 boot scripts starting, using insserv command, 200 working with, 194-197 boot.local script, 197 Booting setting, 14 bootwait option, 192 brctl command, 607 bridging, 606 broadcasting time, 396 Browse menu, 43 buffer memory, 207 buffer overflow problems, 609 bzip2 utility, 134

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