The script USES df, extracts only the line you want with grep, and then USES awk to extract the fourth column of data, which is the amount of free space.
该脚本使用df仅提取了要进行grep的行，然后使用awk提取数据的第4列，该列是空闲空间的大小。
The building is configured around a central core, providing large column free office space at all levels.
建筑围绕中心核心建造，在所有层有巨大的无柱空间。
Internally the space is completely column free with all structure concealed within the external walls and glazed panoramic Windows.
内部空间是完全自由的，所有全景结构隐藏在外墙和玻璃窗口中。
ARRIVAL, is announced by a 16 meters column free span canopy, which creates a 2.4 meters high entry space, bound by vertical pivoting wooden louvers.
住宅的入口由16米的无柱大跨度雨棚揭示，通过与垂直旋转木百叶的结合，创建了2.4米高的入口空间。
Two-circled annular colonnades support the huge circular roof, forming a super-scale internal column-free space to meet the needs of the exhibition functions.
两圈环形柱廊支撑起顶部巨大的圆形屋盖，内部形成超尺度的无柱空间，满足展览功能的需要。
The use of post-tensioned beams allows for the creation of column-free Spaces, which permits maximum flexibility within the office space.
使用后张拉梁建造无柱空间，可最大限度为办公空间创造灵活性。
To guarantee the column-free space effect, all the emergency staircases, ventilating pipes and other auxiliary functions are gathered into the central concrete core.
疏散楼梯、通风管道等辅助性功能集中在中央的混凝土核心里，确保获得无柱的展厅。
A column free interior space facing the picturesque hill side was designed so as to soak in the picturesque hill side terrain even during the monsoons.
室内在面向山地景观的一侧设计了一排无柱空间，让这排空间浸润在了这片风景如画的自然景观之中，即使在季风期间，也不会受到影响。
A column free interior space facing the picturesque hill side was designed so as to soak in the picturesque hill side terrain even during the monsoons.
室内在面向山地景观的一侧设计了一排无柱空间，让这排空间浸润在了这片风景如画的自然景观之中，即使在季风期间，也不会受到影响。
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