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| | rm, rmdir - remove directory entries |
SYNOPSIS
| | /usr/bin/rm [-f] [-i] file ... |
| | /usr/bin/rm -rR [-f] [-i] dirname ... [file ...] |
| | /usr/xpg4/bin/rm [-fiRr] file ... |
| | /usr/bin/rmdir [-ps] dirname ... |
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/usr/bin/rm /usr/xpg4/bin/rm
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The rm utility removes the directory entry specified by each file argument. If a file has no write permission and the standard input is a terminal, the
full set of permissions (in octal) for the file are printed followed by a question mark. This is a prompt for confirmation. If the answer begins with y (for yes), the file is deleted,
otherwise the file remains.
If file is a symbolic link, the link will be removed, but the file or directory to which it refers will not be deleted. Users do not need write permission to remove a symbolic
link, provided they have write permissions in the directory.
If multiple files are specified and removal of a file fails for any reason, rm will write a diagnostic message to standard
error, do nothing more to the current file, and go on to any remaining files.
If the standard input is not a terminal, the utility will operate as if the -f option is in effect.
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/usr/bin/rmdir
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The rmdir utility will remove the directory entry specified by each dirname operand, which must refer to an empty directory.
Directories will be processed in the order specified. If a directory and a subdirectory of that directory are specified in a single invocation of rmdir, the subdirectory must be
specified before the parent directory so that the parent directory will be empty when rmdir tries to remove it.
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The following options are supported for /usr/bin/rm and /usr/xpg4/bin/rm:
- -r
- Recursively removes directories and subdirectories in the argument list. The directory will be
emptied of files and removed. The user is normally prompted for removal of any write-protected files which the directory contains. The write-protected files are removed without prompting, however, if the -f option is used, or if the standard input is not a terminal and the -i option is not used.
Symbolic links that are encountered with this option will not be traversed.
If the removal of a non-empty, write-protected directory is attempted, the utility will always fail (even if the -f option is used), resulting in an error message.
- -R
- Same as -r option.
/usr/bin/rm
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The following options are supported for /usr/bin/rm only:
- -f
- Removes all files (whether write-protected or not) in a directory without prompting the user.
In a write-protected directory, however, files are never removed (whatever their permissions are), but no messages are displayed. If the removal of a write-protected directory is attempted, this option
will not suppress an error message.
- -i
- Interactive. With this option, rm prompts for confirmation before removing any files. It overrides the -f
option and remains in effect even if the standard input is not a terminal.
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/usr/xpg4/bin/rm
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The following options are supported for /usr/xpg4/bin/rm only:
- -f
- Does not prompt for confirmation. Does not write diagnostic messages or modify the exit status
in the case of non-existent operands. Any previous occurrences of the -i option will be ignored.
- -i
- Prompts for confirmation. Any occurrences of the -f option will be ignored.
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/usr/bin/rmdir
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The following options are supported for /usr/bin/rmdir only:
- -p
- Allows users to remove the directory dirname and its parent directories
which become empty. A message is printed to standard error if all or part of the path could not be removed.
- -s
- Suppresses the message printed on the standard error when -p is in effect.
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The following operands are supported:
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file
- A path name of a directory entry to be removed.
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dirname
- A path name of an empty directory to be removed.
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See largefile(5) for the description of the behavior
of rm and rmdir when encountering files greater than or equal to 2 Gbyte ( 231 bytes).
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/usr/bin/rm /usr/xpg4/bin/rm
| | Example 1. Removing directories
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The following command:
removes the directory entries a.out and core.
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Example 2. Removing a directory without prompting
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The following command:
removes the directory junk and all its contents, without prompting.
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/usr/bin/rmdir
| | Example 1. Removing empty directories
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If a directory a in the current directory is empty, except that it contains a directory b, and a/b is empty except that it contains a directory c,
will remove all three directories.
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See environ(5) for descriptions of the following environment
variables that affect the execution of rm and rmdir: LC_COLLATE, LC_CTYPE, LC_MESSAGES, and NLSPATH.
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The following exit values are returned:
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0
- If the -f option was not specified, all the named directory entries
were removed; otherwise, all the existing named directory entries were removed.
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>0
- An error occurred.
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See attributes(5) for descriptions of the following
attributes:
/usr/bin/rm /usr/bin/rmdir
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| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
| Availability | SUNWcsu |
| CSI | enabled |
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/usr/xpg4/bin/rm
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| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
| Availability | SUNWxcu4 |
| CSI | enabled |
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All messages are generally self-explanatory.
It is forbidden to remove the files "." and ".." in order to avoid the consequences of inadvertently doing something like the following:
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A - permits the user to mark explicitly the end of any command line options, allowing rm to recognize file arguments that begin with a -. As an aid to BSD migration, rm will accept -- as a synonym for -. This migration aid may disappear in a future
release. If a -- and a - both appear on the same command line, the second will be interpreted as a file.
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