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 ...

The way the Linux file system is laid out makes perfect sense. I've been using Linux for so many years that I can't imagine another file system making more sense. When I consider how the Windows file ...

At first glance, both the executables that a compiler produces, and the libraries that are used during the building process seem like they’re not very accessible. They are these black boxes that make ...

Recall also that we set the group permissions on this directory to r-x, that is, group-readable and group-executable, so that our fellow members of the drummers group could enter this directory and ...