I once locked myself out of my files with a simple mistyped command. This was the first time I rendered my Linux installation unusable, and it was because I didn’t understand permissions. While I ...

I've got a simple little makefile I'm trying to run, and I keep getting<BR>Make: permission denied.<P>Perms on /usr/bin/make are -r-xr-xr-x, /tmp is not mounted noexec or nodev, and I can create temp ...