To set an IP address for your computer, the command ip can be used as follows: $ sudo ip addr add 192.168.0.193/24 dev wlan0 Note that the IP address has a prefix, for example /24. This is used in classless inter-domain routing (CIDR) to show the subnet mask used. In this case...
Linux 命令(249)—— unset 命令(builtin) 编程算法shell 文章目录 1.命令简介 2.命令格式 3.选项说明 4.返回值 5.常用示例 参考文献 1.命令简介 unset 删除指定的 Shell 变量或函数。 注意,unset 不能删除具有只读属性的 Shell 变量和环境变量。 2.命令格式 unset [-fv] [name ...] 当不指定选项时,...
Thelscommand is used by people everyday at a subconscious level. We all know the basics, but there are some great options that are under-utilized. I challenge you to make a point to use some of these lesser-known options in your daily work. You may be surprised at the utility that is...
Linux provides various options to get help on the command line. You can choose any of these based on your time and requirements. For example, you can read manual pages for detailed information about a command or use thehelpcommand to get a quick overview of the options used with the comman...
To record all commands entered into the shell in a linux environment to a log file. This can be useful for auditing user actions or for security audits. This is not specific to Confluence or any product, but it will audit command line actions including those things related to Confluence. Se...
used 已使用的内存大小 free 可用内存大小 shared 多个进程共享的内存大小 buff/cache 内核用作缓冲区和缓存的内存大小。这部分内存虽然被使用,但在需要时可以被应用程序回收 available 应用程序可以立即使用的估计内存大小。这个值更接近实际可用内存$ free # 输出以下, 默认以字节为单位 total used free shared buff...
"rm-trash" utility puts the files you delete in a shell safely into the Trash (Recycle bin). The script is meant to be used in place of rm system command in linux . This solves accidental removals. This utility is meant to be used as an alias with rm directly and unlike other such...
Linux Distributions Debian Ubuntu Raspberry Pi OS https://en.wikipedia.org/wiki/Linux_distribution solutions ✅ hostnamectl $ hostnamectl Static hostname: raspberrypi Icon name: computer Machine ID: a983fcbfe97e4a6d89ab5ec87d937b83
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