H: Provides help on syntax and options.

h：提供关于语法和选项的帮助。

youdao

Use "h" to get help on using less.

使用“h”来获得less的使用帮助。

youdao

Add and expose the -? Argument to complement the existing help argument a "h."

添加并公开- ？参数来补充现有的帮助参数—h。

youdao

With its diminutive footprint -- just a mere 128.6 mm (L) x 82 mm (W) by 9.9 mm (H), -- sleek design and recyclable aluminum enclosure, users now have a stylish drive to help them move, work and play with their digital content.

ENGADGET: Hitachi GST's G-Drive Slim: world's thinnest 2.5-inch external hard drive