Weird Numeral System Batch Compilation commands

/usr/bin/gcc -DEVAL -std=gnu11 -O2 -pipe -static -s -o Main Main.c -lm

/usr/bin/g++ -DEVAL -std=gnu++20 -O2 -pipe -static -s -o Main Main.cpp

/usr/bin/g++ -DEVAL -std=gnu++17 -O2 -pipe -static -s -o Main Main.cpp

/usr/bin/javac -encoding UTF-8 Main.java
/bin/sh -c echo "Main-Class: Main" > __manifest__.txt
/bin/sh -c jar cfm Main.jar __manifest__.txt *.class

/usr/bin/pypy3 -m compileall -b Main.py
/bin/mv Main.pyc __main__.pyc
/usr/bin/zip Main.pyz.zip __main__.pyc
/bin/mv Main.pyz.zip Main.pyz