linux基础命令-文件查看类命令cat/tac/more/less/tail/head

cat 查看文本文件内容

-b :给每一行编号不包括空白行

-n:给所有行编号

[root@host01 tmp]# cat -An /root/anaconda-ks.cfg
         # Kickstart file automatically generated by anaconda.$
         $
         #version=DEVEL$
         install$
         cdrom$
         lang en_US.UTF-$
         keyboard us$
         network --onboot no --device eth0 --bootproto dhcp --noipv6$
         rootpw  --iscrypted $$WcPbmXB0J/pnlOQB$m8f5TaBOgQ.ipHT4kkkx4eYRqfL3D629ggzC3ryVp68H8mXfhaM.eAl0J3kkmI4j0BPn20usTvMdoLxfbw1lf/$
        firewall --service=ssh$
        authconfig --enableshadow --passalgo=sha512$
        selinux --enforcing$
        timezone --utc Asia/Shanghai$
        bootloader --location=mbr --driveorder=sda --append="crashkernel=auto rhgb quiet"$
        # The following is the partition information you requested$
        # Note that any partitions you deleted are not expressed$
        # here so unless you clear all partitions first, this is$
        # not guaranteed to work$
        #clearpart --all --drives=sda$
        $
        #part /boot --fstype=ext4 --size=$
        #part pv. --grow --size=$
        $
        #volgroup vg_host01 --pesize= pv.$
        #logvol / --fstype=ext4 --name=lv_root --vgname=vg_host01 --grow --size= --maxsize=$
        #logvol swap --name=lv_swap --vgname=vg_host01 --grow --size= --maxsize=$
        $
        repo --name="CentOS"  --baseurl=cdrom:sr0 --cost=$
        $
        %packages --nobase$
        @core$
        %end[root@host01 tmp]# cat -An /root/anaconda-ks.cfg 

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