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 
     1    # Kickstart file automatically generated by anaconda.$
     2    $
     3    #version=DEVEL$
     4    install$
     5    cdrom$
     6    lang en_US.UTF-8$
     7    keyboard us$
     8    network --onboot no --device eth0 --bootproto dhcp --noipv6$
     9    rootpw  --iscrypted $6$WcPbmXB0J/pnlOQB$m8f5TaBOgQ.ipHT4kkkx4eYRqfL3D629ggzC3ryVp68H8mXfhaM.eAl0J3kkmI4j0BPn20usTvMdoLxfbw1lf/$
    10    firewall --service=ssh$
    11    authconfig --enableshadow --passalgo=sha512$
    12    selinux --enforcing$
    13    timezone --utc Asia/Shanghai$
    14    bootloader --location=mbr --driveorder=sda --append="crashkernel=auto rhgb quiet"$
    15    # The following is the partition information you requested$
    16    # Note that any partitions you deleted are not expressed$
    17    # here so unless you clear all partitions first, this is$
    18    # not guaranteed to work$
    19    #clearpart --all --drives=sda$
    20    $
    21    #part /boot --fstype=ext4 --size=500$
    22    #part pv.008002 --grow --size=1$
    23    $
    24    #volgroup vg_host01 --pesize=4096 pv.008002$
    25    #logvol / --fstype=ext4 --name=lv_root --vgname=vg_host01 --grow --size=1024 --maxsize=51200$
    26    #logvol swap --name=lv_swap --vgname=vg_host01 --grow --size=1984 --maxsize=1984$
    27    $
    28    repo --name="CentOS"  --baseurl=cdrom:sr0 --cost=100$
    29    $
    30    %packages --nobase$
    31    @core$
    32    %end[root@host01 tmp]# cat -An /root/anaconda-ks.cfg 

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