Get the latest tech news
Show HN: Mapping the Unix Magic Poster – An Interactive Annotation Project
1 su Command to switch your identity The su command (short for “substitute user” or “switch user”) is used to start a shell under a different user account. Typically, one of the most common uses of su is switching to the superuser (root) account to gain administrative privileges.
Over time, these un-freed allocations accumulate, reducing the amount of available memory for other processes and potentially leading to slowdowns or crashes. Created by Dennis M. Ritchie at Bell Labs in the early 1970s, C was used to rewrite Unix from low-level assembly into a higher-level language. This shift made Unix significantly more portable across different hardware platforms, fueling its rapid adoption in academia and industry.
Or read this on Hacker News