Check your allowed quota and your recent usage

Via Browser: login under www.math.uzh.ch/my > Overview

Cleaning up files (using ThinLinc)

1. Get an overview: Administration > Disk Usage Analyzer
2. Delete files.
3. Empty the trash.
4. Get again an overview.

Cleaning up files (using Terminal)

Sum of current directory and all sub directories:

# du -ks

All sub directories of the current directory (without hidden dirs)

# du -ks *

All sub directories of the current directory (with hidden dirs)

# du -ks * .[a-zA-Z0-9]*

Remove a directory, incl. all sub directories (be carefull !)

# rm -R <dir>

Remove a directory, incl. all sub directories (be more carefull !) without asking !!!

# \rm -R <dir>