Passing options like -l or --word to commands, or parsing them in scripts

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1answer
57 views

Understanding passwd --keep-tokens

On GNU/Linux, I do have trouble understanding the meaning of the --keep-tokens option for passwd. As it doesn't seem to be much used as I am not able to find any examples and only online copies of man ...
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0answers
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Using rsync with the verbose option and filtering the information displayed

I am using rsync with the -a -r and -v options to copy files and directories from one server to another. This all works fine. But when I make a change, for example, to a single file on the source ...
1
vote
0answers
74 views

Why is rm -r the same as rm -R?

If you look in the rm man page you see that rm -r, rm -R, and rm --recursive are all the same. -r, -R, --recursive remove directories and their contents recursively When using options, I'm ...