Today I learned about systematic CSS debugging approaches, LLVM compiler architecture from AOSA, the comprehensive Python language reference, and the difference between sourcing and executing shell scripts.
Today I learned that the kill command accepts human-readable signal names instead of just numeric codes, making process management more intuitive and safer.
Today I learned how to use lsof to scan processes running in specific paths and discovered that the kill command accepts verbose, readable signal names for safer process management.
Today I learned how the tr command can translate stdin from one format to another, providing powerful text transformation capabilities in Unix pipelines.
Today I learned about the differences between /dev/urandom and /dev/random, and how to use these devices for generating cryptographically secure random data in Unix systems.