I observed some of the binary files and configuration filenames end with a
What is reason for putting a
d at the end of the file name?
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They are daemons (Computing) – as in “workers behind the curtain“.
http Daemon - Hypertext Transfer Protocol Daemon ospf Daemon - Open Shortest Path First Daemon (89) ppp Daemon - Point-to-Point Protocol Daemon syslog Daemon - Syslog Daemon telnet Daemon - Telnet server Daemon pptp Daemon - Point-to-Point Tunneling Protocol Daemon dhcp Daemon - Dynamic Host Configuration Protocol Daemon
All depending on how you interpret the word they can definitively also be
– “an imaginary agent which helped sort molecules of different speeds and worked tirelessly in the background.”
Else the usage of the word is somewhat in these lines:
daemon: spirit (polytheistic context) demon : evil spirit (monotheistic context)
And as pointed out by the good Mr. @Michael Kjörling, to emphasize:
“Of course, just because the executable’s name ends in
d doesn’t mean it is a daemon.”
sed Stream Editor dd Data Description chmod Change file mode bits xxd Hex Dump find Find
etc. are examples of frequently used tools ending in
d. Then again that would
not be an added suffix as in
ls /usr/bin/*d /bin/*d
Though; typically daemons have the letter
dappended at the end.
Another writeup on the subject of *Nix Daemons.
They’re daemons. Simple as that.