Filesystem full issue.

Filesystem full Issues:
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Change the directory to the particular filesystem.

#cd (filesystem)

Check the directory or filesystem which is using maximum size.

#du -sk *|sort -rn|more

1746564 ML11
1727332 usr
814192 tia
616808 u101
359216 tiv
233357 var
208200 etc ---
137432 op ---
124164 esm
62296 home

Depend upon the usage of that particular file remove or compress it.

# rm (filename)

#gzip -c (filename)