getconf — Get configuration values from your Linux system. More information: <https://manned.org/getconf.1>.

List [a]ll configuration values available

getconf -a

List the configuration values for a specific directory

getconf -a {{path/to/directory}}

Check if the system is 32-bit or 64-bit

getconf LONG_BIT

Check how many processes the current user can run at once

getconf CHILD_MAX

List every configuration value and then find patterns with the `grep` command (i.e every value with MAX in it)

getconf -a | grep MAX