linux 删除暂时无用内容
查看磁盘使用情况
[root@localhost games]# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/VolGroup-lv_root
50G 45G 2.2G 96% /
tmpfs 3.8G 8.0K 3.8G 1% /dev/shm
/dev/sda8 477M 52M 400M 12% /boot
/dev/mapper/VolGroup-lv_home
241G 84G 146G 37% /home
查看目录大小
[root@localhost games]# du -sm /*
7 /bin
50 /boot
1 /cgroup
1 /db_logs
1 /dev
65 /etc
85189 /home
303 /lib
22 /lib64
1 /lost+found
1 /media
1 /mnt
73 /opt
62 /pgdatabase
1 /pglog
du: cannot access `/proc/26342/task/26342/fd/4': No such file or directory
du: cannot access `/proc/26342/task/26342/fdinfo/4': No such file or directory
du: cannot access `/proc/26342/fd/4': No such file or directory
du: cannot access `/proc/26342/fdinfo/4': No such file or directory
0 /proc
326 /root
12 /sbin
1 /selinux
1 /srv
0 /sys
401 /tmp
16333 /usr
27890 /var
查看指定目录所属分区
[root@localhost games]# df -h /usr
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/VolGroup-lv_root
50G 45G 2.2G 96% /
查看目录下子目录大小
[root@localhost usr]# du -sm /usr/*
251 /usr/bin
1 /usr/etc
1 /usr/games
24 /usr/include
1022 /usr/java
129 /usr/lib
236 /usr/lib64
31 /usr/libexec
4846 /usr/local
1 /usr/pgsql
43 /usr/pgsql-10
161 /usr/sbin
553 /usr/share
1 /usr/src
0 /usr/tmp
9043 /usr/workspace
[root@localhost workspace]# du -sm ./*
116 ./apache-tomcat-8.5.4-8079
489 ./apache-tomcat-8.5.4-8080
680 ./dataCollection
587 ./gerrit-server
5717 ./intefaceDocGitRepo
84 ./intialDatabase
1 ./links
1 ./logs
68 ./openfire
30 ./openfire_push
805 ./scrapyProject
1 ./shawn.xls
1 ./shawn.xlsx
24 ./showdoc-master
391 ./sonarqube-5.5
56 ./springboot
3 ./StaticGenerateTable
删除当前目录下所有文件:
rm -rf ./*
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