rmdir
is a command which will remove an empty directory on a Unix-system. It cannot be capitalized. Normal usage is straightforward where one types:
rmdir name_of_directory
Where name_of_directory corresponds with the name of the directory one wishes to delete. There are options to this command such as -p which removes parent directories if they are also empty.
For example:
rmdir –p foo/bar/baz
Will first remove baz/, then bar/ and finally foo/ thus removing the entire directory tree specified in the command argument.
Often rmdir will not remove a directory if there is still files present in the directory. To force the removal of the directory even if files are present usually the -rf flag can be used. For example:
rmdir -Rf for/bar/baz
cp
is the command entered in a Unix shell to copy a file from one place to another, possibly on a different filesystem. The original file remains unchanged, and the new file may have the same or a different name.
To Copy a File to another File
cp [ -f ] [ -h ] [ -i ] [ -p ][ -- ] SourceFile TargetFile
To Copy a File to a Directory
cp [ -f ] [ -h ] [ -i ] [ -p ] [ -r | -R ] [ -- ] SourceFile ... TargetDirectory
To Copy a Directory to a Directory
cp [ -f ] [ -h ] [ -i ] [ -p ] [ -- ] { -r | -R } SourceDirectory ... TargetDirectory
-f (force) – specifies removal of the target file if it cannot be opened for write operations. The removal precedes any copying performed by the cp command.
-h – makes the cp command copy symbolic links. The default is to follow symbolic links, that is, to copy files to which symbolic links point.
-i (interactive) – prompts you with the name of a file to be overwritten. This occurs if the TargetDirectory or TargetFile parameter contains a file with the same name as a file specified in the SourceFile or SourceDirectory parameter. If you enter y or the locale's equivalent of y, the cp command continues. Any other answer prevents the cp command from overwriting the file.
-p (preserve) – duplicates the following characteristics of each SourceFile/SourceDirectory in the corresponding TargetFile and/or TargetDirectory:
is a command which will remove an empty directory on a Unix-system. It cannot be capitalized. Normal usage is straightforward where one types:
rmdir name_of_directory
Where name_of_directory corresponds with the name of the directory one wishes to delete. There are options to this command such as -p which removes parent directories if they are also empty.
For example:
rmdir –p foo/bar/baz
Will first remove baz/, then bar/ and finally foo/ thus removing the entire directory tree specified in the command argument.
Often rmdir will not remove a directory if there is still files present in the directory. To force the removal of the directory even if files are present usually the -rf flag can be used. For example:
rmdir -Rf for/bar/baz
cp
is the command entered in a Unix shell to copy a file from one place to another, possibly on a different filesystem. The original file remains unchanged, and the new file may have the same or a different name.
To Copy a File to another File
cp [ -f ] [ -h ] [ -i ] [ -p ][ -- ] SourceFile TargetFile
To Copy a File to a Directory
cp [ -f ] [ -h ] [ -i ] [ -p ] [ -r | -R ] [ -- ] SourceFile ... TargetDirectory
To Copy a Directory to a Directory
cp [ -f ] [ -h ] [ -i ] [ -p ] [ -- ] { -r | -R } SourceDirectory ... TargetDirectory
-f (force) – specifies removal of the target file if it cannot be opened for write operations. The removal precedes any copying performed by the cp command.
-h – makes the cp command copy symbolic links. The default is to follow symbolic links, that is, to copy files to which symbolic links point.
-i (interactive) – prompts you with the name of a file to be overwritten. This occurs if the TargetDirectory or TargetFile parameter contains a file with the same name as a file specified in the SourceFile or SourceDirectory parameter. If you enter y or the locale's equivalent of y, the cp command continues. Any other answer prevents the cp command from overwriting the file.
-p (preserve) – duplicates the following characteristics of each SourceFile/SourceDirectory in the corresponding TargetFile and/or TargetDirectory:
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