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Technology

Checking on available filespace

You can check on available file space using

or

To get a list in ascending order use:

you can also | head to get top few files only.

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Technology

File Permissions

What the numbers mean: 4 = Read 2 = Write 1 = Execute e.g. 7 = Read, Write and Execute. Works on Users, Groups and Everyone  (left to right)

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Technology

User Management

Managing users on Unix: Add user: