208 Getting Started Guide caps-lock, danger of  142 case sensitive nature of Linux  88 case sensitivity  142 cd command  139 CDROM filesystems and Linux  147 CDROM, accessing in KDE  72 CDROMs, accessing via mount  152 change directories  139 changing file permissions  93 changing passwords  153 changing the system with kernel modules  150 chmod command  141 classes, Linux  13 color, background, setting in KDE  79 command interpreter  156 command interpreter, Linux  142 command line  143 command line interface  156 command line, using in KDE  127 command summary, using man  152 command window, in KDE  78 command, chmod  141 COMMAND.COM, Linux equivalent  142 commands, adduser  159 commands, comparing Linux to DOS  144 commands, ifconfig  117 commands, man  152 commands, mount  152 commands, ping  117, 154 commands, ps  153 commands, rpm, using  136 commands, tar  158 commands, vmstat  160 commercial software and the GPL  6 compress command  148 compression, exchanging files with DOS/Windows  148 computer name, defined, as hostname  149 configuration, help with  8 configuring networking  112 connecting to Internet using KPPP  101 connection, testing with ping  154 consoles, virtual, using  159 COPY, DOS command, Linux equivalent  144 copying files in KDE  90 courses, about Linux  13 current directory  140 D daemon, defined  144