linux基础命令use

Linux基础命令-usermod

此命令的适用范围：RedHat、RHEL、Ubuntu、CentOS、SUSE、openSUSE、Fedora。1、语法usermod[选项][参数]2、选项列表-help 显示帮助文档-version 显示命令版本-c comment 修改备注信息-d home_dir 修改账户每次登陆使用的目录-e expire_...

Linux基础命令-删除用户userdel

此命令的适用范围：RedHat、RHEL、Ubuntu、CentOS、SUSE、openSUSE、Fedora。1、语法 userdel[-r]user2、选项列表-help 显示帮助文档-version 显示命令版本-r 删除用户的同时，删除其相关文件3、实例1）不使用选项，删除用户[root@...

Linux基础命令-添加用户useradd

此版本为RedHat Linux提供，可帮每个新加入的使用者建立个别的group,毋须添加-n选项。此命令的适用范围：RedHat、RHEL、Ubuntu、CentOS、SUSE、openSUSE、Fedora。1、语法 useradd[-D][选项][参数]useradd[-c comment][-d home_dir][-e ...

Linux shell基础（五）sed命令

sed的强项是替换文本中的特定字符，而写shell有个步骤就是从一段文本中截取一段字符进行处理，所以熟练掌握sed命令是写shell脚本的基本技能。用法：sed[选项].{脚本(如果没有其他脚本)}[输入文件]sed[options]'command' file(s)sed[options...

Linux从零开始（二、基础命令（续三）修改密码）

范例如下：date-9月 810:00:00CST2006CST为中部标准时间clock命令也可以显示出系统当前的日期与时间，不过 clock命令默认不允许一般用户执行，请用root账号执行：clock公元2006年9月8日（周五）10时00分00秒 0.112604seconds 可以使用date...

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