第二次作业

Posted 2020-08-25

####用命令和正则表达式建立文件####

用一条命令建立12个文件WESTOS_classX_linuxY(X的数值范围为1-2，Y的数值范围为1-6)
[[email protected] Desktop]$ touch WESTOS_class{1..2}_linux{1..6}

这些文件都包含在root用户桌面的study目录中
[[email protected] Desktop]# mkdir study/                                ####在桌面上建立目录study####
[[email protected] Desktop]# ls                                    ####显示桌面内容####
study
[[email protected] Desktop]# mv WESTOS_class{1..2}_liunx{1..6} /root/Desktop/study/        ####将制定文件WESTOS_class{1..2}_liunx{1..6}移到目录/root/Desktop/study/中####
[[email protected] Desktop]# ls /root/Desktop/study/                               ####显示目录/root/Desktop/study/中内容#### 
WESTOS_class1_linux1    WESTOS_class1_linux5    WESTOS_class2_linux3
WESTOS_class1_linux2    WESTOS_class1_linux6    WESTOS_class2_linux4
WESTOS_class1_linux3    WESTOS_class2_linux1    WESTOS_class2_linux5
WESTOS_class1_linux4    WESTOS_class2_linux2    WESTOS_class2_linux6
[[email protected] Desktop]# touch reshat_version{1..8}
{[email protected] Desktop]# ls
redhat_version1    redhat_version3    redhat_version5    redhat_version7    study
redhat_version2    redhat_version4    redhat_version6    redhat_version8
[[email protected] Desktop]# mkdir /mnt/VERSION/
[[email protected] Desktop]# ls /mnt/
VERSION
[[email protected] Desktop]# mv reshat_version{1..8} /mnt/VERSION/
[[email protected] Desktop]# ls /mnt/VERSION/
redhat_version1    redhat_version3    redhat_version5    redhat_version7
redhat_version2    redhat_version4    redhat_version6    redhat_version8

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####管理文件####

[[email protected] Desktop]# mkdir SINGLE/
[[email protected] Desktop]# ls
SINGLE    study
[[email protected] Desktop]# cp /mnt/VERSION/redhat_version{1,3,5,7} /root/Desktop/SINGLE/

####把文件/mnt/VERSION/redhat_version{1,3,5,7}复制到目录/root/Desktop/SINGLE/中####

[[email protected] Desktop]# ls SINGLE/
redha_version1    redhat_version3    redhat_version5    redhat_version7
[[email protected] Desktop]# mkdir /DOUBLE/
[[email protected] Desktop]# ls /
bin    dev    etc    lib    media    opt    root    sbin    sys    usr
boot    DOUBLE    home    lib64    mnt    proc    run    srv    tmp    var
[[email protected] Desktop]# cp /mnt/VERSION/redhat_version{2,4,6,8} /DOUBLE/
[[email protected] Desktop]# ls /DOUBLE/
redhat_version2    redhat_version4    redhat_version6    redhat_version8
[[email protected] Desktop]# mkdir CLASS1/
[[email protected] Desktop]# ls
CLASS1    SINGLE    study
[[email protected] Desktop]# mv study/WESTOS_class1_linux{1..6} CLASS1/
[[email protected] Desktop]# ls CLASS2/
WESTOS_class1_linux1    WESTOS_class1_linux3    WESTOS_class1_linux5
WESTOS_class1_linux2    WESTOS_class1_linux4    WESTOS_class1_linux6
[[email protected] Desktop]# ls study
WESTOS_class2_linux1    WESTOS_class2_linux3    WESTOS_class2_linux5
WESTOS_class2_linux2    WESTOS_class2_linux4    WESTOS_class2_linux6
[[email protected] Desktop]# mksir CLASS2/
[[email protected] Desktop]# ls
CLASS1    CLASS2    SINGLE    study
[[email protected] Desktop]# mv study/WESTOS_class2_linux{1..6} CLASS2/
[[email protected] Desktop]# ls CLASS2/
WESTOS_class2_linux1    WESTOS_class2_linux3    WESTOS_class2_linux5
WESTOS_class2_linux2    WESTOS_class2_linux4    WESTOS_class2_linux6

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####备份以.conf结尾的文件并删除####
[[email protected] Desktop]# mkdir condir/
[[email protected] Desktop]# ls
CLASS1    CLASS2    condir    SINGLE    study    
[[email protected] Desktop]# cp /etc/*.conf condir/
[[email protected] Desktop]# ls condir/
asound.conf    idmapd.conf    mtools.conf        rsyslog.conf
brltty.conf    ipsec.conf    nfsmount.conf        sestatus.conf
chrony.conf    kdump.conf    nsswitch.conf        sos.conf
coloed.conf    krb5.conf    numad.conf        sudo.conf
dnsmasq.conf    ksmtuned.conf    oddjobd.conf        sudo-ldap.conf
dracut.conf    ls.so.conf    ovirt-guest-agent.conf    sysctl.conf
e2fsck.conf    libaudit.conf    pbm2ppa.conf        updatedb.conf
fprintd.conf    libuser.conf    pnm2ppa.conf        usb_modeswitch.conf
fuse.conf    locale.conf    radvd.conf        vconsole.conf
grub.conf    logrotate.conf    request-key.conf    wvdial.conf
hba.conf    man_db.conf    resolv.conf        yum.conf
host.conf    mke2fs.conf    rsyncd.conf
[[email protected] Desktop]# rm -r -f condir/                            ####删除目录condir/####

[[email protected] Desktop]# ls
CLASS1    CLASS2    SINGLE    study