Shell builtins are commands that are loaded into memory when a shell — such as bash, sh, or zsh — is invoked. The reason for this is that keeping these commands in memory helps ensure that these ...

Root (aka “/”) is where all other directories are found. If you issue the command ls /, the output will include directories like bin, boot, dev, home, etc, media, mnt, opt, sbin, srv, and var. The ...

I recently had the need to embed a file in an executable. Since I'm working at the command line with gcc, et al and not with a fancy RAD tool that makes it all happen magically it wasn't immediately ...