若要每次登入都能够使用这些命令别名,则可将相应的alias命令存放到bash的初始化文件/etc/bashrc中。 语法:alias(选项)(参数) 选项: -p:打印已经设置的命令别名。 1[root@centos7 ~]# alias2alias cp='cp -i'3alias egrep='egrep --color=auto'4alias fgrep='fgrep --color=auto'5alias grep='grep --...
To reference any additional command options when creating an alias, include them as a part of the value. The example below createslistas an alias for thels commandwith options to showdirectoriesand files in a list format and include hidden items: alias list='ls -la' An alias can also serv...
[root@aliyun ~]# ls -l install.log-rw-r--r--. 1 root root 247721 月 1418:17 install.log 第 1 位代表文件类型。“-”:普通文件。“b”:块设备文件。这是一种特殊设备文件,存储设备都是这种文件,如分区文件/dev/sda1就是这种文件。“c”:字符设备文件。这也是特殊设备文件,输入设备一般都...
$ alias wr=”cd /var/www/html” You can then use"wr"shortcut to go to the webroot directory. The problem with that alias is that it will only be available for your current terminal session. If you open a new terminal session, the alias will no longer be available. If you wish to ...
aliase:定义shell命令的别名 alias CMDALIAS=COMMAND unalias CMDALIAS是撤销命令别名 === 19、权限 权限: r 、w 、x 文件: r:可读,可利用类似 cat等命令查看文件内容 w:可写,可以编辑或删除此文件 x:可执行,可以再命令提示符下当做命令提交给内核运行。 目录...
how to find network interface in Linux 查看网络接口信息 要查看网络接口信息,例如IP地址,子网等,请使用“ ip addr show”命令: bob@ubuntu...:~$ ip addr show ens33 how to find ip address in Linux 启用或者禁用网络接口 我们可以使用ip命令启用或禁用网络接口,示例如下所示: bob@ubuntu...check mac...
A symbolic link is a file that points to another file or a directory, effectively creating an alias (like a shortcut in Windows). Symbolic links offer quick access to obscure directory paths. 符号链接是一个指向另一个文件或目录的文件,实际上创建了一个别名(类似于Windows中的快捷方式)。 符号链接...
Aliases are limited to 256 characters. Avoid using apostrophes or non-ASCII characters in the alias string. Cumulus Linux does not parse these characters. To show the interface description (alias) for all interfaces on the switch, run thenet show interface aliascommand. For ex...
This chapter is a guide to the Unix commands and utilities that will be referenced throughout this book. This is preliminary material, and you may ...
To retrieve the latest AMI ID for a specific Region, you can useAWS Systems Managerget-parameterAPI and query the/aws/service/ami-amazon-linux-latest/<alias>parameter. Be sure to replace<alias>with one of the four aliases available: