LaTeX has support for making new commands of many different kinds.
• \newcommand & \renewcommand: | (Re)define a new command. | |
• \providecommand: | Define a new command, if name not used. | |
• \makeatletter & \makeatother: | Change the status of the at-sign character. | |
• \@ifstar: | Define your own commands with *-variants. | |
• \newcounter: | Define a new counter. | |
• \newlength: | Define a new length. | |
• \newsavebox: | Define a new box. | |
• \newenvironment & \renewenvironment: | Define a new environment. | |
• \newtheorem: | Define a new theorem-like environment. | |
• \newfont: | Define a new font name. | |
• \protect: | Using tricky commands. | |
• \ignorespaces & \ignorespacesafterend: | Discard extra spaces. |