RedHat网络操作系统习题

一次，他在核实数据时，认为部分数据需要重新测量，但项目部的车都被派出去了。belimitedtonomorethan2daysofwork,materialdepositedinspecialinsulatedcontainers,materialhandlingtogentlyandmakeuseofthermalinsulationmaterialinwindproof,waterproof,moisture-proofmeasure.6.2thermaldesignoptimizationforhigh-temperaturespecialthermalinsulationforpipingsupportandhangerdesign,reducedheatdissipationofthehangers,ensurethatthewalldoesnotoverheat.Small-diameterpiping,thermalinstrumentlayoutandpositioningofsupportandhangerdesigntakefullyintoaccounttheexpansionspaceandinsulationthickness.Large-diameterpipesafterheatpreservationplasteringconstructionofvalves,turbine,checkingsmoothsurface,hightemperaturepowderpaintfullydryafter.Protectivecoveringsforelectricequipmentinsulationboardsdesignedwithpressureplate,whenorderingaccordingtotheinstallationdiagram,modelspecificationspublishingorder,ensurewheninstallingcornersneat,uniformappearance,reducetheamountofon-sitemachining.Beforevalves,flangeinsulationshellconstruction,besuretomakeaunifiedmodel,allvalves,flanges,insulationcoverunified,tidyandbeautiful.Whenfourpartssuchaspipes,boilerinsulation,mustdofirstarticleinspection,proofofdesignandconstructionmethods,technologycanmeetthetechnologicalrequirements,beforeextensiveconstruction.Boilersteelbeams,dooropeningboxesdesignedwithinsulationgaskets,flangecannotbeoblique,evenfastened.Backintotheslopeofthetubingduringinstallationpayattentiontothepiping,oilstationisalowpoint.Refuelingmustbecontrolledwhencastingmaterialparts,selectlowthermalconductivitymaterialsasfaraspossible,ensurethatthesepartsdonotoverheat.6.3qualitydefectsofinsulationtechnologymanagementoptimizationofconstructionprocessanddevelopareasonableduration,regionaltransferofstrictly一、填空题1.UNIX与Linux系统共同遵循的标准是（POSIX）。2.完全安装RedHatLinux9大约需要（5.0GB）磁盘空间3.为了实现Redhatlinux无人值守安装，建立了ks.cfg文件并存放在软盘上，将软盘插入软盘驱动器，进行安装时应输入命令（linuxks=floppy）以提示安装程序进行无人值守安装。4.修改Linux系统默认运行级别的文件是（/etc/inittab）。5.RedHatLinux中默认使用的shell是(bash)。6.运行命令（switchdesk）可以把默认桌面环境从KDE转换为GNOME。7.集中配置KDE桌面环境工具是(KDE控制中心)。8.某用户想要用最高的压缩比压缩文件file，他该运行命令（gzip-9file）。9.要查找系统中已安装的所有名称以foo开头的RPM软件包，应该使用命令(rpm-qa|grepfoo)10.使用(usermod)命令可以修改现有用户的信息。11.要修改用户user的密码可以使用命令(passwduser)12.要在分区/dev/hda5上建立ext3文件系统，应该使用命令(mkfs-text3/dev/hda5)13.要修改磁盘限额软限制的过渡期，应该使用命令(edquota-t)14.可以查看CPU信息的文件是(/proc/cpuinfo)15.经常用来为IDE硬盘提升性能的工具是(hdparm)一次，他在核实数据时，认为部分数据需要重新测量，但项目部的车都被派出去了。belimitedtonomorethan2daysofwork,materialdepositedinspecialinsulatedcontainers,materialhandlingtogentlyandmakeuseofthermalinsulationmaterialinwindproof,waterproof,moisture-proofmeasure.6.2thermaldesignoptimizationforhigh-temperaturespecialthermalinsulationforpipingsupportandhangerdesign,reducedheatdissipationofthehangers,ensurethatthewalldoesnotoverheat.Small-diameterpiping,thermalinstrumentlayoutandpositioningofsupportandhangerdesigntakefullyintoaccounttheexpansionspaceandinsulationthickness.Large-diameterpipesafterheatpreservationplasteringconstructionofvalves,turbine,checkingsmoothsurface,hightemperaturepowderpaintfullydryafter.Protectivecoveringsforelectricequipmentinsulationboardsdesignedwithpressureplate,whenorderingaccordingtotheinstallationdiagram,modelspecificationspublishingorder,ensurewheninstallingcornersneat,uniformappearance,reducetheamountofon-sitemachining.Beforevalves,flangeinsulationshellconstruction,besuretomakeaunifiedmodel,allvalves,flanges,insulationcoverunified,tidyandbeautiful.Whenfourpartssuchaspipes,boilerinsulation,mustdofirstarticleinspection,proofofdesignandconstructionmethods,technologycanmeetthetechnologicalrequirements,beforeextensiveconstruction.Boilersteelbeams,dooropeningboxesdesignedwithinsulationgaskets,flangecannotbeoblique,evenfastened.Backintotheslopeofthetubingduringinstallationpayattentiontothepiping,oilstationisalowpoint.Refuelingmustbecontrolledwhencastingmaterialparts,selectlowthermalconductivitymaterialsasfaraspossible,ensurethatthesepartsdonotoverheat.6.3qualitydefectsofinsulationtechnologymanagementoptimizationofconstructionprocessanddevelopareasonableduration,regionaltransferofstrictly16.目前RedHatLinux默认的启动引导装载器是(GRUB)17.当系统启动内核后，最早的运行的一个程序是(init)18.普通用户可以执行(su)命令转换为root身份。19.想让一个普通用户执行一个需要root权限的特定任务，应该使用（sudo）工具。20.在安装新内核2.6.10之前需要先升级的两个软件包分别是（module-init-tools）和（mkinitrd）。21.将下载的新内核的源代码压缩后，应复制到（/usr/src）目录下。22.显示已加载的模块的信息可以使用命令（lsmod）。23.客户机的名称服务器配置信息存储在（/etc/resolv.conf）文件中。24.配置系统的路由信息应该使用（route）命令。25.在xinetd配置文件中，使用（no_access）参数可以拒绝特定地址的访问，使（access_time）参数可以限制访问的时间。26.为了启动telnet服务，应该修改配置文件（/etc/xinetd.d/telnet）。27.要获得系统中各项服务在各个运行级别中的启动情况，应该使用命令（chkconfig-list）。28.在linux系统中，DHCP服务使用（/var/lib/dhcp/dhcp.leases）文件记录地址租约。29.在dhcpd.conf文件中，使用（optionsrouters）选项为客户机指定名称服务器。30.国际顶级域名.edu表示（教育）机构。31.使用（named-checkconf）命令可以检查BIND服务器主配置文件一次，他在核实数据时，认为部分数据需要重新测量，但项目部的车都被派出去了。belimitedtonomorethan2daysofwork,materialdepositedinspecialinsulatedcontainers,materialhandlingtogentlyandmakeuseofthermalinsulationmaterialinwindproof,waterproof,moisture-proofmeasure.6.2thermaldesignoptimizationforhigh-temperaturespecialthermalinsulationforpipingsupportandhangerdesign,reducedheatdissip