I am creating a shell script to deploy a container, and found in some docker files this definition of ENV: ${HOME:-/home}. I want to know what is the name of this kind of definition and where can I find more information about this kind of method.
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13.5.3 Shell Parameter Expansion – glenn jackman Jan 24 '23 at 13:09
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Parameter expansion, does this help ? – Marius_Couet Jan 24 '23 at 13:10
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Thank you very much to: @glennjackman – Walddys E. Dorrejo Céspedes Jan 24 '23 at 13:38
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Thank you very much to: @Marius_Couet – Walddys E. Dorrejo Céspedes Jan 24 '23 at 13:38