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RM(1) FreeBSD General Commands Manual RM(1)
NAME
rm, unlink -- remove directory entries
SYNOPSIS
rm [-f | -i] [-dIPRrvW] file ...
unlink file
DESCRIPTION
The rm utility attempts to remove the non-directory type files specified
on the command line. If the permissions of the file do not permit writ-
ing, and the standard input device is a terminal, the user is prompted
(on the standard error output) for confirmation.
The options are as follows:
-d Attempt to remove directories as well as other types of
files.
-f Attempt to remove the files without prompting for confirma-
tion, regardless of the file's permissions. If the file does
not exist, do not display a diagnostic message or modify the
exit status to reflect an error. The -f option overrides any
previous -i options.
-i Request confirmation before attempting to remove each file,
regardless of the file's permissions, or whether or not the
standard input device is a terminal. The -i option overrides
any previous -f options.
-I Request confirmation once if more than three files are being
removed or if a directory is being recursively removed. This
is a far less intrusive option than -i yet provides almost
the same level of protection against mistakes.
-P Overwrite regular files before deleting them. Files are
overwritten three times, first with the byte pattern 0xff,
then 0x00, and then 0xff again, before they are deleted.
Specifying this flag for a read only file will cause rm to
generate an error message and exit. The file will not be
removed or overwritten.
-R Attempt to remove the file hierarchy rooted in each file
argument. The -R option implies the -d option. If the -i
option is specified, the user is prompted for confirmation
before each directory's contents are processed (as well as
before the attempt is made to remove the directory). If the
user does not respond affirmatively, the file hierarchy
rooted in that directory is skipped.
-r Equivalent to -R.
-v Be verbose when deleting files, showing them as they are
removed.
-W Attempt to undelete the named files. Currently, this option
can only be used to recover files covered by whiteouts.
The rm utility removes symbolic links, not the files referenced by the
links.
It is an error to attempt to remove the files /, . or ...
When the utility is called as unlink, only one argument, which must not
be a directory, may be supplied. No options may be supplied in this sim-
ple mode of operation, which performs an unlink(2) operation on the
passed argument.
The rm utility exits 0 if all of the named files or file hierarchies were
removed, or if the -f option was specified and all of the existing files
or file hierarchies were removed. If an error occurs, rm exits with a
value >0.
NOTE
The rm command uses getopt(3) to parse its arguments, which allows it to
accept the `--' option which will cause it to stop processing flag
options at that point. This will allow the removal of file names that
begin with a dash (`-'). For example:
rm -- -filename
The same behavior can be obtained by using an absolute or relative path
reference. For example:
rm /home/user/-filename
rm ./-filename
COMPATIBILITY
The rm utility differs from historical implementations in that the -f
option only masks attempts to remove non-existent files instead of mask-
ing a large variety of errors. The -v option is non-standard and its use
in scripts is not recommended.
Also, historical BSD implementations prompted on the standard output, not
the standard error output.
SEE ALSO
chflags(1), rmdir(1), undelete(2), unlink(2), fts(3), getopt(3),
symlink(7)
STANDARDS
The rm command conforms to IEEE Std 1003.2 (``POSIX.2'').
The simplified unlink command conforms to Version 2 of the Single UNIX
Specification (``SUSv2'').
HISTORY
A rm command appeared in Version 1 AT&T UNIX.
BUGS
The -P option assumes that the underlying file system is a fixed-block
file system. UFS is a fixed-block file system, LFS is not. In addition,
only regular files are overwritten, other types of files are not.
FreeBSD 6.2 September 29, 2005 FreeBSD 6.2
Man(1) output converted with
man2html and wrapped by fishsponge
This page was generated on Wed Sep 19 19:57:58 BST 2007
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