Thisgooglesearch returns, as the first listing, a website thatcontains many ebooks on their Index of/uploads/manuals page which are in pdf format. Topicscovered by these ebooks:Advanced LinuxProgrammingNetworks and Data TransmissionNetworkArchitecturesWireless Local Area NetworksLinux Tipsand TricksTechnical WritingPhotoshopComputerSecurityCCNACiscoC Game ProgrammingCPointersUnix ProgrammingString and Data CompressionAlgorithmsPython ProgrammingDatabase DesignCSSArtificialIntelligenceElectrical CircuitsElectronic ConceptsDebianGNU-LinuxLinux CertificationLinux CommandsLinuxAdministrationLinux Shell ProgrammingC++ ProgrammingJavaProgrammingJava SwingSQLMySQLPHPVisualBasic . NETC SharpSSLSambaAssemblyLanguage

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