一次创建多个目录
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[root@localhost tmp]
# mkdir -p /user/{folder1,folder2,folder3}
[root@localhost tmp]
# ls /user/
folder1 folder2 folder3
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找出根目录下最大的10个目录,并按使用空间从大到小排序
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[root@localhost ~]
# du -a ./ | sort -nr | head -n 10
132380 ./
132316 .
/source
69916 .
/source/ZendGuard-5_5_0
.
tar
.gz
18720 .
/source/xunzai
.com_mysql-5.0.18.
tar
.gz
13732 .
/source/php-5
.4.11.
tar
.gz
6144 .
/source/phpMyAdmin-3
.5.6-all-languages.
tar
.gz
5996 .
/source/httpd-2
.4.3.
tar
.gz
5044 .
/source/libxml2-2
.9.0.
tar
.gz
1984 .
/source/pcre-8
.32.zip
1960 .
/source/freetype-2
.4.10.
tar
.gz
|
查看根目录下所有以“.”开头的文件
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[root@localhost ~]
# find ./ -name ".[^.]*"
./.bash_logout
./.bash_profile
./.bashrc
./.cshrc
./.tcshrc
./.cache
./.config
./.bash_history
./.xauth96WqtE
./.mysql_history
./.mysql_history.TMP
./.viminfo
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修改文件或目录的时间戳
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[root@localhost ~]
# stat person.txt
File: ?.erson.txt?
Size: 74 Blocks: 8 IO Block: 4096 regular
file
Device: 803h
/2051d
Inode: 145535279 Links: 1
Access: (0644
/-rw-r--r--
) Uid: ( 0/ root) Gid: ( 0/ root)
Context: unconfined_u:object_r:admin_home_t:s0
Access: 2016-04-02 05:05:10.370059171 -0700
Modify: 2016-04-02 05:04:40.854898705 -0700
Change: 2016-04-02 05:04:40.913901033 -0700
Birth: -
[root@localhost ~]
# touch -t 201604052135 person.txt #格式为YYMMDDhhmm
[root@localhost ~]
# stat person.txt
File: ?.erson.txt?
Size: 74 Blocks: 8 IO Block: 4096 regular
file
Device: 803h
/2051d
Inode: 145535279 Links: 1
Access: (0644
/-rw-r--r--
) Uid: ( 0/ root) Gid: ( 0/ root)
Context: unconfined_u:object_r:admin_home_t:s0
Access: 2016-04-05 21:35:00.000000000 -0700
Modify: 2016-04-05 21:35:00.000000000 -0700
Change: 2016-04-05 06:36:16.304945163 -0700
Birth: -
|
快速备份一个文件:cp filename{,.bak}
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[root@localhost ~]
# ls
anaconda-ks.cfg person.txt
source
[root@localhost ~]
# cp person.txt{,.bak}
[root@localhost ~]
# ls
anaconda-ks.cfg person.txt person.txt.bak
source
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进程运行到后台
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[root@localhost ~]
# Ctrl + z
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进程运行到前台
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[root@localhost ~]
# fg
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随机产生10位字符数的十六进制数
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[root@localhost ~]
# openssl rand -hex 10
c3e805e84074211cc698
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将文件解压到新的目录
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[root@localhost src]
# ls
apr-1.4.6.
tar
.gz libmcrypt-2.5.8.
tar
.gz
apr-util-1.5.1.
tar
.gz libpng-1.5.14.
tar
.gz
autoconf-2.69.
tar
.gz libxml2-2.9.0.
tar
.gz
debug pcre-8.32.zip
freetype-2.4.10.
tar
.gz php-5.4.11.
tar
.gz
gd-2.0.35.
tar
.gz phpMyAdmin-3.5.6-all-languages.
tar
.gz
httpd-2.4.3 xunzai.com_mysql-5.0.18.
tar
.gz
httpd-2.4.3.
tar
.gz ZendGuard-5_5_0.
tar
.gz
jpegsrc.v8b.
tar
.gz zlib-1.2.7.
tar
.gz
kernels
[root@localhost src]
# tar zxvf apr-1.4.6.tar.gz -C /tmp/tmp/
apr-1.4.6/
apr-1.4.6
/shmem/
apr-1.4.6
/shmem/win32/
…………
[root@localhost src]
# ls /tmp/tmp/
apr-1.4.6
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将所有文件名中含有”txt”的文件移入“/tmp/tmp”目录
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[root@localhost ~]
# find -iname "*txt*" -exec mv -v {} /tmp/tmp/ \;
?.
/person
.txt?.-> ?.tmp
/tmp/person
.txt?
?.
/person
.txt.bak?.-> ?.tmp
/tmp/person
.txt.bak?
[root@localhost ~]
# ls /tmp/tmp/
apr-1.4.6 person.txt person.txt.bak
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将任意一行开头为“#”的去除掉
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[root@localhost ~]
# cat a.txt
This is the
file
#This is another file
#This is the final file
[root@localhost ~]
# sed '2s/^#//' a.txt
This is the
file
This is another
file
#This is the final file
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本文转自 Nico_Lv 51CTO博客,原文链接:http://blog.51cto.com/nearlv/1771641,如需转载请自行联系原作者