信息产业部 备案网站,h5开发入门,wordpress登录页面创建,php实验报告企业网站开发一、df 命令简介
df命令用于显示文件系统的磁盘空间利用情况#xff0c;包括文件系统的总空间、已用空间、可用空间以及挂载点信息。通过df命令#xff0c;用户可以快速了解系统中各个文件系统的空间使用情况。
二、df 命令参数
df [选项] [目录/驱动器]选项包括文件系统的总空间、已用空间、可用空间以及挂载点信息。通过df命令用户可以快速了解系统中各个文件系统的空间使用情况。
二、df 命令参数
df [选项] [目录/驱动器]选项
-h以人类可读的格式显示输出。-T显示文件系统类型。-i显示inode使用情况。
目录/驱动器指定要查询的文件或目录如果未指定则显示所有文件系统的使用情况。
三、df 命令示例
示例1显示所有文件系统的磁盘空间利用情况
df示例2以人类可读的格式显示磁盘空间利用情况
df -h示例3显示指定文件系统的详细信息
df -T /dev/sda1输出
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Filesystem Size Used Avail Use% Mounted on
tmpfs 197M 1.2M 196M 1% /run
/dev/sda2 32G 13G 18G 43% /
tmpfs 982M 0 982M 0% /dev/shm
tmpfs 5.0M 0 5.0M 0% /run/lock
tmpfs 197M 4.0K 197M 1% /run/user/1000soulioubuntu:~/annotation/semantics/math/spanspan classkatex-html aria-hiddentruespan classbasespan classstrut styleheight:0.8889em;vertical-align:-0.1944em;span classmord mathnormal stylemargin-right:0.10764em;df/spanspan classmspace stylemargin-right:0.2222em;span classmbin−/spanspan classmspace stylemargin-right:0.2222em;/spanspan classbasespan classstrut styleheight:1em;vertical-align:-0.25em;span classmord mathnormalh/spanspan classmord mathnormal stylemargin-right:0.13889em;F/spanspan classmord mathnormali/spanspan classmord mathnormal stylemargin-right:0.01968em;l/spanspan classmord mathnormalesys/spanspan classmord mathnormalt/spanspan classmord mathnormale/spanspan classmord mathnormalm/spanspan classmord mathnormal stylemargin-right:0.05764em;S/spanspan classmord mathnormali/spanspan classmord mathnormalze/spanspan classmord mathnormal stylemargin-right:0.10903em;U/spanspan classmord mathnormalse/spanspan classmord mathnormald/spanspan classmord mathnormalA/spanspan classmord mathnormal stylemargin-right:0.03588em;v/spanspan classmord mathnormalai/spanspan classmord mathnormal stylemargin-right:0.01968em;l/spanspan classmord mathnormal stylemargin-right:0.10903em;U/spanspan classmord mathnormalse/spanspan classmord mathnormalt/spanspan classmord mathnormalm/spanspan classmord mathnormalp/spanspan classmord mathnormal stylemargin-right:0.10764em;f/spanspan classmord mathnormals/spanspan classmord197/spanspan classmord mathnormal stylemargin-right:0.10903em;M/spanspan classmord1.2/spanspan classmord mathnormal stylemargin-right:0.10903em;M/spanspan classmord196/spanspan classmord mathnormal stylemargin-right:0.10903em;M/spanspan classmord1//spanspan classmord mathnormald/spanspan classmord mathnormale/spanspan classmord mathnormal stylemargin-right:0.03588em;v/spanspan classmord//spanspan classmord mathnormals/spanspan classmord mathnormald/spanspan classmord mathnormala/spanspan classmord232/spanspan classmord mathnormalG/spanspan classmord13/spanspan classmord mathnormalG/spanspan classmord18/spanspan classmord mathnormalG/spanspan classmord43/spanspan classmord mathnormalt/spanspan classmord mathnormalm/spanspan classmord mathnormalp/spanspan classmord mathnormal stylemargin-right:0.10764em;f/spanspan classmord mathnormals/spanspan classmord982/spanspan classmord mathnormal stylemargin-right:0.10903em;M/spanspan classmord0982/spanspan classmord mathnormal stylemargin-right:0.10903em;M/spanspan classmord0/spanspan classmord mathnormalt/spanspan classmord mathnormalm/spanspan classmord mathnormalp/spanspan classmord mathnormal stylemargin-right:0.10764em;f/spanspan classmord mathnormals/spanspan classmord5.0/spanspan classmord mathnormal stylemargin-right:0.10903em;M/spanspan classmord05.0/spanspan classmord mathnormal stylemargin-right:0.10903em;M/spanspan classmord0/spanspan classmord mathnormalt/spanspan classmord mathnormalm/spanspan classmord mathnormalp/spanspan classmord mathnormal stylemargin-right:0.10764em;f/spanspan classmord mathnormals/spanspan classmord197/spanspan classmord mathnormal stylemargin-right:0.10903em;M/spanspan classmord4.0/spanspan classmord mathnormal stylemargin-right:0.07153em;K/spanspan classmord197/spanspan classmord mathnormal stylemargin-right:0.10903em;M/spanspan classmord1/spanspan classmord mathnormalso/spanspan classmord mathnormalu/spanspan classmord mathnormal stylemargin-right:0.01968em;l/spanspan classmord mathnormali/spanspan classmord mathnormalo/spanspan classmord/spanspan classmord mathnormalu/spanspan classmord mathnormalb/spanspan classmord mathnormalu/spanspan classmord mathnormaln/spanspan classmord mathnormalt/spanspan classmord mathnormalu/spanspan classmspace stylemargin-right:0.2778em;span classmrel:/spanspan classmspace nobreak /span/span/span/span/span df -T /dev/sda2
Filesystem Type 1K-blocks Used Available Use% Mounted on
/dev/sda2 ext4 32844560 13129596 18021012 43% /
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注意事项
可以结合其他命令如grep来过滤df命令的输出以便查找特定信息。确保有足够的权限来运行df命令以便获取正确的磁盘空间信息。
df命令是管理Linux系统中磁盘空间的重要工具通过它可以及时监控文件系统的空间使用情况帮助用户合理安排磁盘空间避免因空间不足而导致的问题。
