LKBEN10989: Howto know which program will be executed by a command

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LKB | Created: 02/04/2020 | Version: 0 | Language: EN | Rating: 0 | Outdated: False | Marked for deletion: False

Author: Wim Peeters - Keskon GmbH & Co. KG


You need to know if a program exists and which one will be executed




To check if a certain program can be executed on your system you can use the "which" command.

$ which bash


You can also use the -a parameter or switch. Then the programm will find all the possible matches for you automatically. To select the second one you need to use the ./ prefix. You can do this by:


Therefore you will have to stand in the right directory. 

About the Author

Wim Peeters is electronics engineer with an additional master in IT and over 30 years of experience, including time spent in support, development, consulting, training and database administration. Wim has worked with SQL Server since version 6.5. He has developed in C/C++, Java and C# on Windows and Linux. He writes knowledge base articles to solve IT problems and publishes them on the Lubby Knowledge Platform.


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