Listing, creating, copying, and moving files, directories

Basic Commands and Simple Shell Scripts
84
Directories
Let’s start by creating a directory to keep some working files. We can do so by running mkdir, short for make directory”:
[user@rhel-instance
]$ mkdir mydir
[user@rhel-instance
]$ ls -l
total 0
drwxrwxr-x. 2 user user 6 Feb 13 19:53 mydir
Folders can be deleted with the rmdir command, short for remove directory”:
[user@rhel-instance
]$ ls -l
total 0
drwxrwxr-x. 2 user user 6 Feb 13 19:53 mydir
[user@rhel-instance
]$ mkdir deleteme
[user@rhel-instance
]$ ls -l
total 0
drwxrwxr-x. 2 user user 6 Feb 13 20:15 deleteme
drwxrwxr-x. 2 user user 6 Feb 13 19:53 mydir
[user@rhel-instance
]$ rmdir deleteme
[user@rhel-instance
]$ ls -l
total 0
drwxrwxr-x. 2 user user 6 Feb 13 19:53 mydir
However, rmdir will only delete empty directories:
[user@rhel-instance
]$ ls etc >
/mydir/etc-files.txt
[user@rhel-instance
]$ rmdir mydir
rmdir: failed to remove 'mydir': Directory not empty
How can we delete a directory and all the other files and directories it contains using the remove (rm) command First, let’s just create and remove a single file, var-files.txt:
[user@rhel-instance
]$ ls var >
/var-files.txt
[user@rhel-instance
]$ ls -l var-files.txt
-rw-rw-r--. 1 user user 109 Feb 13 15:31 var-files.txt
[user@rhel-instance
]$ rm var-files.txt

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