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CP(1)			  BSD General Commands Manual			 CP(1)

NAME
     cp — copy files

SYNOPSIS
     cp [-R [-H | -L | -P]] [-fip] source_file target_file
     cp [-R [-H | -L | -P]] [-fip] source_file ... target_directory

DESCRIPTION
     In the first synopsis form, the cp utility copies the contents of the
     source_file to the target_file.  In the second synopsis form, the con‐
     tents of each named source_file is copied to the destination
     target_directory.	The names of the files themselves are not changed.  If
     cp detects an attempt to copy a file to itself, the copy will fail.

     The following options are available:

     -H	   If the -R option is specified, symbolic links on the command line
	   are followed.  (Symbolic links encountered in the tree traversal
	   are not followed.)

     -L	   If the -R option is specified, all symbolic links are followed.

     -P	   If the -R option is specified, no symbolic links are followed.

     -R	   If source_file designates a directory, cp copies the directory and
	   the entire subtree connected at that point.	This option also
	   causes symbolic links to be copied, rather than indirected through,
	   and for cp to create special files rather than copying them as nor‐
	   mal files.  Created directories have the same mode as the corre‐
	   sponding source directory, unmodified by the process' umask.

     -f	   For each existing destination pathname, remove it and create a new
	   file, without prompting for confirmation regardless of its permis‐
	   sions.  (The -i option is ignored if the -f option is specified.)

     -i	   Causes cp to write a prompt to the standard error output before
	   copying a file that would overwrite an existing file.  If the
	   response from the standard input begins with the character ‘y’, the
	   file copy is attempted.

     -p	   Causes cp to preserve in the copy as many of the modification time,
	   access time, file flags, file mode, user ID, and group ID as
	   allowed by permissions.

	   If the user ID and group ID cannot be preserved, no error message
	   is displayed and the exit value is not altered.

	   If the source file has its set user ID bit on and the user ID can‐
	   not be preserved, the set user ID bit is not preserved in the
	   copy's permissions.	If the source file has its set group ID bit on
	   and the group ID cannot be preserved, the set group ID bit is not
	   preserved in the copy's permissions.	 If the source file has both
	   its set user ID and set group ID bits on, and either the user ID or
	   group ID cannot be preserved, neither the set user ID or set group
	   ID bits are preserved in the copy's permissions.

     For each destination file that already exists, its contents are overwrit‐
     ten if permissions allow, but its mode, user ID, and group ID are
     unchanged.

     In the second synopsis form, target_directory must exist unless there is
     only one named source_file which is a directory and the -R flag is speci‐
     fied.

     If the destination file does not exist, the mode of the source file is
     used as modified by the file mode creation mask (umask, see csh(1)).  If
     the source file has its set user ID bit on, that bit is removed unless
     both the source file and the destination file are owned by the same user.
     If the source file has its set group ID bit on, that bit is removed
     unless both the source file and the destination file are in the same
     group and the user is a member of that group.  If both the set user ID
     and set group ID bits are set, all of the above conditions must be ful‐
     filled or both bits are removed.

     Appropriate permissions are required for file creation or overwriting.

     Symbolic links are always followed unless the -R flag is set, in which
     case symbolic links are not followed, by default.	The -H or -L flags (in
     conjunction with the -R flag) cause symbolic links to be followed as
     described above.  The -H, -L and -P options are ignored unless the -R
     option is specified.  In addition, these options override each other and
     the command's actions are determined by the last one specified.

     Cp exits 0 on success, >0 if an error occurred.

COMPATIBILITY
     Historic versions of the cp utility had a -r option.  This implementation
     supports that option, however, its use is strongly discouraged, as it
     does not correctly copy special files, symbolic links or fifo's.

SEE ALSO
     mv(1), rcp(1), umask(2), fts(3), symlink(7)

HISTORY
     The cp command is expected to be IEEE Std 1003.2 (“POSIX.2”) compatible.

4th Berkeley Distribution	April 18, 1994	     4th Berkeley Distribution
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