cd 冷卻時間 cool down
cd 和 pwd
[root@oldboyedu59 ~]# pwd
/root
[root@oldboyedu59 ~]# cd? /tmp/
[root@oldboyedu59 tmp]# pwd
/tmp
[root@oldboyedu59 tmp]# cd? /etc/sysconfig/network-scripts/
[root@oldboyedu59 network-scripts]# pwd
/etc/sysconfig/network-scripts
~ 當(dāng)前用戶家目錄
[root@oldboyedu59 network-scripts]# cd ~
[root@oldboyedu59 ~]# pwd
/root
cd ~ === cd
cd ..? 進入當(dāng)前目錄的上一級目錄
cd .? 進入當(dāng)前目錄
[root@oldboyedu59 etc]# cd? /etc/sysconfig/network-scripts/
[root@oldboyedu59 network-scripts]# cd /tmp/
[root@oldboyedu59 tmp]# cd? -
/etc/sysconfig/network-scripts
.lck? #lock
刪除xxxxx.lck目錄
[root@oldboyedu59 ~]# mkdir? /oldboy
[root@oldboyedu59 ~]# ls /oldboy/
[root@oldboyedu59 ~]# ls -l? /oldboy/
total 0
pwd cd mkdir ls 練習(xí)題: 根據(jù)描述進行操作(發(fā)出操作過程)
創(chuàng)建/data? 和 /你的名字? (拼音的目錄)?
進入到/data目錄,然后再進入 /你名字的目錄
進入到上一次所在目錄
回老家
[root@oldboyedu59 ~]# mkdir? /data/? /lidao?
[root@oldboyedu59 ~]# ls -l /data? /lidao/
/data:
total 0
/lidao/:
total 0
[root@oldboyedu59 ~]# cd /data/
[root@oldboyedu59 data]# cd /lidao/
[root@oldboyedu59 lidao]# cd -
/data
[root@oldboyedu59 data]# cd
路徑:
一切從根開始
絕對路徑: 從根開始的路徑? √
/data
/oldboy
/etc/sysconfig/network-scripts
相對路徑: 不是從根開始的路徑
data
oldboy
[root@oldboyedu59 ~]# mkdir? /data/oldboy/lidao/a/b/c/d/e
mkdir: cannot create directory ‘/data/oldboy/lidao/a/b/c/d/e’: No such file or directory
mkdir 命令默認只能創(chuàng)建1層目錄 創(chuàng)建多層報錯
[root@oldboyedu59 ~]# mkdir? /data/oldboy/lidao/a/b/c/d/e
mkdir: cannot create directory ‘/data/oldboy/lidao/a/b/c/d/e’: No such file or directory
[root@oldboyedu59 ~]# mkdir -p? /data/oldboy/lidao/a/b/c/d/e
[root@oldboyedu59 ~]# ls -l? /data/oldboy/lidao/a/b/c/d/e/
total 0
[root@oldboyedu59 ~]# touch /oldboy/oldboy.txt
[root@oldboyedu59 ~]# ls -l /oldboy/
total 0
-rw-r--r--. 1 root root 0 Mar 28 11:46 oldboy.txt
#mkdir與touch題目:
#創(chuàng)建 /oldboy/alex/lidao? 和 /data/alex/lidao 兩個目錄
#在/oldboy/alex/lidao 和 /data/alex/lidao 都創(chuàng)建一個叫oldboy.txt文件
[root@oldboyedu59 ~]# mkdir -p? /oldboy/alex/lidao? /data/alex/lidao
[root@oldboyedu59 ~]# touch /oldboy/alex/lidao/oldboy.txt? /data/alex/lidao/oldboy.txt
[root@oldboyedu59 ~]# ls -l? /oldboy/alex/lidao/? ? /data/alex/lidao/
/data/alex/lidao/:
total 0
-rw-r--r--. 1 root root 0 Mar 28 11:58 oldboy.txt
/oldboy/alex/lidao/:
total 0
-rw-r--r--. 1 root root 0 Mar 28 11:58 oldboy.txt
echo
{} 生成序列
[root@oldboyedu59 ~]# echo? oldboy
oldboy
[root@oldboyedu59 ~]# echo {1..10}
1 2 3 4 5 6 7 8 9 10
[root@oldboyedu59 ~]# echo? {a..z}
a b c d e f g h i j k l m n o p q r s t u v w x y z
[root@oldboyedu59 ~]# echo oldboy{1..10}
oldboy1 oldboy2 oldboy3 oldboy4 oldboy5 oldboy6 oldboy7 oldboy8 oldboy9 oldboy10
特殊:
[root@oldboyedu59 ~]# echo {01..10}
01 02 03 04 05 06 07 08 09 10
顯示出 oldboy01.txt oldboy02.txt oldboy03.txt ..... oldboy10.txt
[root@oldboyedu59 ~]# echo oldboy{01..10}.txt
oldboy01.txt oldboy02.txt oldboy03.txt oldboy04.txt oldboy05.txt oldboy06.txt oldboy07.txt oldboy08.txt oldboy09.txt oldboy10.txt
[root@oldboyedu59 ~]# touch? oldboy{01..10}.txt
[root@oldboyedu59 ~]# touch? oldboy{01..10}.txt
[root@oldboyedu59 ~]# ls -l
total 16
-rw-------. 1 root root? 1341 Mar 26 11:46 anaconda-ks.cfg
-rw-r--r--. 1 root root 10213 Mar 28 10:28 grep.txt
-rw-r--r--. 1 root root? ? 0 Mar 28 12:16 oldboy01.txt
-rw-r--r--. 1 root root? ? 0 Mar 28 12:16 oldboy02.txt
-rw-r--r--. 1 root root? ? 0 Mar 28 12:16 oldboy03.txt
-rw-r--r--. 1 root root? ? 0 Mar 28 12:16 oldboy04.txt
-rw-r--r--. 1 root root? ? 0 Mar 28 12:16 oldboy05.txt
-rw-r--r--. 1 root root? ? 0 Mar 28 12:16 oldboy06.txt
-rw-r--r--. 1 root root? ? 0 Mar 28 12:16 oldboy07.txt
-rw-r--r--. 1 root root? ? 0 Mar 28 12:16 oldboy08.txt
-rw-r--r--. 1 root root? ? 0 Mar 28 12:16 oldboy09.txt
-rw-r--r--. 1 root root? ? 0 Mar 28 12:16 oldboy10.txt
drwxr-xr-x. 2 root root? ? 6 Mar 27 20:31 oldgirl
drwxr-xr-x. 2 root root? ? 6 Mar 27 20:33 oldman
cp
[root@oldboyedu59 ~]# cp? /oldboy/oldboy.txt? /tmp/
[root@oldboyedu59 ~]# cp /oldboy? /tmp/
cp: omitting directory ‘/oldboy’
? ? 忽略? ? 目錄
cp命令默認無法復(fù)制目錄
-r 遞歸復(fù)制? 復(fù)制目錄和目錄的內(nèi)容
[root@oldboyedu59 ~]# cp -r /oldboy/ /tmp/
[root@oldboyedu59 ~]# ls -l /tmp/
total 4
-rwx------. 1 root root 836 Mar 26 11:46 ks-script-pzO18O
drwxr-xr-x. 3 root root? 36 Mar 28 12:32 oldboy
drwxr-xr-x. 2 root root? 6 Mar 27 20:30 oldboy59
-rw-r--r--. 1 root root? 0 Mar 28 12:24 oldboy.txt
drwx------. 2 root root? 6 Mar 26 11:56 vmware-root_6737-3853947227
drwx------. 2 root root? 6 Mar 27 08:37 vmware-root_6762-2864843553
-rw-------. 1 root root? 0 Mar 26 11:37 yum.log
[root@oldboyedu59 ~]# ls -l /oldboy/oldboy.txt
-rw-r--r--. 1 root root 0 Mar 28 11:47 /oldboy/oldboy.txt
[root@oldboyedu59 ~]# cp? /oldboy/oldboy.txt? /oldboy/oldboy.txt.bak
[root@oldboyedu59 ~]# ls -l /oldboy/
total 0
drwxr-xr-x. 3 root root 19 Mar 28 11:57 alex
-rw-r--r--. 1 root root? 0 Mar 28 11:47 oldboy.txt
-rw-r--r--. 1 root root? 0 Mar 28 12:38 oldboy.txt.bak
提前安裝(需要你虛擬機可以上網(wǎng))
yum? install -y? tree vim? bash-completion
