Hdi2u S05

Answers

• You get the hidden files
• the -l is the long listing
• this file is empty, it has no content.
• by default ls will list files anywhere it can find them.
• this is the Present Working Directory, it tell us where all these files are.
• sl is the most common typo, so it became a trick program, try it and see

Exercise: Focus only on directories

• Try postfixing the asterisk with a / and also give the -d option

ls -d */

• Once we find a file, and know its size and date, the poorly named file command will give use more details. Try

file *

• It's a lot of information, can it be explained?
• Another useful companion command to ls is wc -l, word counti iwht the line option. Try:

ls -l tes*[123].embl
wc -l tes*[123].embl

• What extra information are you getting?