To make an empty file, use the
$ touch file1 file2 file3
touch command is built for much more than just creating empty files. It can be used to update timestamps. Specify a particular option to modify a certain time attribute.
This command can also be used to update the access date or modification date of a file or directory.
You can access the modification time with a simple
ls -l command.
To make a directory, simply use the
$ mkdir dir1 dir2 dir3
This makes a directory named dir1, dir2 and dir3.
To remove (aka delete) a file, use the
$ rm file1
To remove an entire directory, add the
-r option, which means to delete recursively. You may also use the
rmdir command, but this only works if the directory is empty.
$ rm -r dir1
Deleting without the
-r option results in an error.
Be careful when you delete! There is no undelete command, although some distros implement some sort of recyling bin.
Here are some useful options to use for the
Great work! Now let's turn to more intermediate commands.
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