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[root@localhost ~]
# ls -ld /home
drwxr-xr-x. 4 root root 4096 9月 22 10:41
/home
[root@localhost ~]
# ls -d /home
/home
[root@localhost ~]
#
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[root@localhost ~]
# ls -h /home
justin lost+found
[root@localhost ~]
# ls -lh /home
总用量 20K
drwx------. 27 justin justin 4.0K 9月 22 13:19 justin
drwx------. 2 root root 16K 9月 18 15:30 lost+found
[root@localhost ~]
#
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[root@localhost ~]
# ls -lR /home
/home
:
总用量 20
drwx------. 27 justin justin 4096 9月 22 13:19 justin
drwx------. 2 root root 16384 9月 18 15:30 lost+found
/home/justin
:
总用量 32
drwxr-xr-x. 2 justin justin 4096 9月 22 10:49 公共的
drwxr-xr-x. 2 justin justin 4096 9月 22 10:49 模板
drwxr-xr-x. 2 justin justin 4096 9月 22 10:49 视频
drwxr-xr-x. 2 justin justin 4096 9月 22 10:49 图片
drwxr-xr-x. 2 justin justin 4096 9月 22 10:49 文档
drwxr-xr-x. 2 justin justin 4096 9月 22 10:49 下载
drwxr-xr-x. 2 justin justin 4096 9月 22 10:49 音乐
drwxr-xr-x. 2 justin justin 4096 9月 22 10:49 桌面
/home/justin/
公共的:
总用量 0
/home/justin/
模板:
总用量 0
/home/justin/
视频:
总用量 0
/home/justin/
图片:
总用量 0
/home/justin/
文档:
总用量 0
/home/justin/
下载:
总用量 0
/home/justin/
音乐:
总用量 0
/home/justin/
桌面:
总用量 0
/home/lost
+found:
总用量 0
[root@localhost ~]
#
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[root@localhost ~]
# ls -l /home
总用量 20
drwx------. 27 justin justin 4096 9月 22 13:19 justin
drwx------. 2 root root 16384 9月 18 15:30 lost+found
-rw-r--r--. 1 root root 0 9月 22 15:21 t
[root@localhost ~]
# ls -lt /home
总用量 20
-rw-r--r--. 1 root root 0 9月 22 15:21 t
drwx------. 27 justin justin 4096 9月 22 13:19 justin
drwx------. 2 root root 16384 9月 18 15:30 lost+found
[root@localhost ~]
#
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gssapi_mech.conf popt.d xml
gtk-2.0 portreserve yp.conf
hal postfix yum
host.conf ppp yum.conf
hosts prelink.cache yum.repos.d
hosts.allow prelink.conf
hosts.deny prelink.conf.d
[root@localhost etc]
# ll -d /etc/po*.d
drwxr-xr-x. 2 root root 4096 1月 11 2010
/etc/popt
.d
[root@localhost etc]
# ll -d /etc/po?.d
ls
: 无法访问
/etc/po
?.d: 没有那个文件或目录
[root@localhost etc]
#
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[root@localhost src]
# du -h nagios-3.5.0.tar.gz
1.8M nagios-3.5.0.
tar
.gz
[root@localhost src]
# du nagios-3.5.0.tar.gz
1748 nagios-3.5.0.
tar
.gz
[root@localhost src]
#
|
-a---显示全部目录和其次目录下的每个档案所占的磁盘空间
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[root@localhost
local
]
# du -b src/nagios-3.5.0.tar.gz
1789376 src
/nagios-3
.5.0.
tar
.gz
[root@localhost
local
]
#
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[root@localhost
local
]
# du -sh src/
41M src/
[root@localhost
local
]
#
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[root@localhost ~]
# df -Th
文件系统 类型 容量 已用 可用 已用%% 挂载点
/dev/sda2ext4
9.9G 2.6G 6.9G 28% /
tmpfs tmpfs 504M 112K 504M 1%
/dev/shm
/dev/sda1ext4
194M 27M 158M 15%
/boot
/dev/sda5ext4
7.7G 147M 7.2G 2%
/home
/dev/sr0iso9660
2.9G 2.9G 0 100%
/media/RHEL_6
.3 i386 Disc 1
[root@localhost ~]
#
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[root@localhost home]
# file justin/
justin/: directory
[root@localhost home]
# file justin1
justin1: empty
[root@localhost ~]
# file install.log
install
.log: UTF-8 Unicode text
|
1
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[root@localhost log]
# cat /var/log/messages
|
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[root@localhost log]
# more -5s /var/log/messages
Sep 22 10:36:06 localhost kernel: imklog 5.8.10, log
source
=
/proc/kmsg
started.
Sep 22 10:36:06 localhost rsyslogd: [origin software=
"rsyslogd"
swVersion=
"5.8.10"
x-pid
=
"1323"
x-info=
"http://www.rsyslog.com"
] start
Sep 22 10:36:06 localhost kernel: Initializing cgroup subsys cpuset
Sep 22 10:36:06 localhost kernel: Initializing cgroup subsys cpu
--More--(0%)
|
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[root@localhost ~]
# head -5 /etc/passwd
root:x:0:0:root:
/root
:
/bin/bash
bin:x:1:1:bin:
/bin
:
/sbin/nologin
daemon:x:2:2:daemon:
/sbin
:
/sbin/nologin
adm:x:3:4:adm:
/var/adm
:
/sbin/nologin
lp:x:4:7:lp:
/var/spool/lpd
:
/sbin/nologin
[root@localhost ~]
#
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[root@localhost ~]
# tail -5 /etc/passwd
nfsnobody:x:65534:65534:Anonymous NFS User:
/var/lib/nfs
:
/sbin/nologin
abrt:x:173:173::
/etc/abrt
:
/sbin/nologin
sshd:x:74:74:Privilege-separated SSH:
/var/empty/sshd
:
/sbin/nologin
tcpdump:x:72:72::/:
/sbin/nologin
justin:x:500:500:justin_peng:
/home/justin
:
/bin/bash
[root@localhost ~]
#
|
说明:tail命令用法与head命令类似
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[root@localhost home]
# touch file1 file2
[root@localhost home]
# ls
file1 file2 justin lost+found t
[root@localhost home]
#
|
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[root@localhost home]
# ls
justin lost+found t
[root@localhost home]
# mkdir dir1
[root@localhost home]
# mkdir dir2/dir
mkdir
: 无法创建目录
"dir2/dir"
: 没有那个文件或目录
[root@localhost home]
# mkdir -p dir2/dir
[root@localhost home]
#
|
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[root@localhost home]
# ls
justin lost+found t
[root@localhost home]
# mkdir -p {dir1,dir2/{dir3,dir4}}
[root@localhost home]
# ls
dir1 dir2 justin lost+found t
[root@localhost home]
# ls dir2
dir3 dir4
[root@localhost home]
#
|
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[root@localhost home]
# mkdir -p {dir1,dir2/dir3}
[root@localhost home]
# ls
dir1 dir2 justin lost+found t
[root@localhost home]
# rmdir dir1
[root@localhost home]
# rmdir dir2
rmdir
: 删除
"dir2"
失败: 目录非空
[root@localhost home]
# rmdir -p dir2/dir3/
[root@localhost home]
# ls
justin lost+found t
[root@localhost home]
#
|
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[root@localhost home]
# mkdir -p dir1/dir2
[root@localhost home]
# rm -r dir1/
rm
:是否进入目录
"dir1"
? y
rm
:是否删除目录
"dir1/dir2"
?y
rm
:是否删除目录
"dir1"
?y
[root@localhost home]
#
|