What is .sign stands for?

[M K Saravanan <mksarav@xxxxxxxxxxxxxxxxx>]

hi,

  I tried to download kernel 2.2.14 patches.  I saw some files with
.bz2.sign extension.  What is this .sign stands for?

mks

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M K Saravanan, 
Design Engineer,
The AU-KBC Centre for Internet & Telecom Technologies,
Madras Institute of Technology, Anna University,
Chrompet, Chennai 600 044.
Tamilnadu, INDIA

email: mksarav@xxxxxxxxxxxxxxxxx

Ph & FAX (Off):  (091) (044) 2402711
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