I have two Macs, both with BASH being the default shell. Mac1 has a tricked-out .bashrc. Mac2 just got a clean OS upgrade, so pretty much everything is stock from Apple. Since file xfer between the ...

I've added some environment variables to /etc/profile and /etc/bashrc, but when I run commands with sudo, they're not there—sudo env does not list them. Is there some other profile I should be editing ...

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 ...

If you’re a new Linux admin, you probably at least know about sudo. Sudo stands for “super user do” and allows standard users to take admin-level actions, such as installing software. Even though most ...