Moving Around (pushd & popd) pushd (push directory) & popd (pop directory) let you temporarily go to a different-directory, and then come back, easily switching between the two!! pushd–lets you save your current location and go to a new location. The “pushd” command takes your current directory and “pushes” it into a list for later, then it ‘changes’ to another directory. It’s like saying, “Save where I am, then go here.” popd–lets you return to the saved location. The “popd” command takes the last directory you pushed and “pops” it off, taking you back there. Note: On Unix-machines “pushd“, if you run it by itself with no arguments, will switch…

ls -l -pulls up ‘long-listing’ of info –Once we pull up the ‘long-listing’ of info, the first column gives us specific info on the directory or file. It tells us what you are, or are not allowed to do with that directory or file. (i.e.–permissions). Ex. sample permission string: d rwx rwx rwx The ‘d‘ tell us it’s a directory. A hyphen (–) would denote a file. “User“–The first set of ‘rwx‘ refers to the “User“, or the person that “owns” that resource (as listed in Column 3 of the ‘long listing’). “Group“–The second set of ‘rwx‘ refers to the “Group” and designates what the “group” is able to do.…