What is the Instruction List (IL) PLC programming language?

Basically an Instruction List (IL) is another textual language that you can use to program your PLC, as the name suggests; You can write your reasoning in this language as a list of instructions. Each command is written on a new line. IL is a low-level language and resembles assembly. You can add any comments you want at the end of each one. Some of the advantages of Instruction List (IL) are very useful for compact code, very useful for time-critical code, very fast and consumes less memory. Some of the disadvantages of instruction lists (IL) are that they are slightly more limited in terms of structuring code, are more difficult to debug and resolve errors, are more prone to run-time errors, and can lead to infinite loops.