How to use the expr command: 2-Minute Linux Tips

The video tutorial introduces the EXPR command, which is used for performing mathematical and Boolean calculations on the command line. It covers basic operations like addition, division, and multiplication, highlighting the need for a backslash in certain cases. The tutorial also explains how to use EXPR for Boolean calculations and comparisons, demonstrating how to check if numbers are equal or if one is greater than another. Additionally, it discusses handling complex expressions and the importance of understanding operation precedence. The EXPR command can be used both on the command line and within scripts for variable comparisons.

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