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CP(1)
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发布时间:2019-06-22

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CP(1)                 User Commands                 CP(1)
NAME
       cp - copy files and directories
SYNOPSIS
       cp [OPTION]... [-T] SOURCE DEST
       cp [OPTION]... SOURCE... DIRECTORY
       cp [OPTION]... -t DIRECTORY SOURCE...
DESCRIPTION
       Copy SOURCE to DEST, or multiple SOURCE(s) to DIRECTORY.
       Mandatory  arguments  to     long  options are mandatory for short options
       too.
       -a, --archive
          same as -dR --preserve=all
       --backup[=CONTROL]
          make a backup of each existing destination file
       -b     like --backup but does not accept an argument
       --copy-contents
          copy contents of special files when recursive
       -d     same as --no-dereference --preserve=links
       -f, --force
          if an existing destination file cannot be opened, remove it  and
          try again (redundant if the -n option is used)
       -i, --interactive
          prompt before overwrite (overrides a previous -n option)
       -H     follow command-line symbolic links in SOURCE
       -l, --link
          link files instead of copying
       -L, --dereference
          always follow symbolic links in SOURCE
       -n, --no-clobber
          do  not  overwrite  an  existing    file  (overrides a previous -i
          option)
       -P, --no-dereference
          never follow symbolic links in SOURCE
       -p     same as --preserve=mode,ownership,timestamps
       --preserve[=ATTR_LIST]
          preserve    the   specified      attributes   (default:   mode,owner-
          ship,timestamps),     if  possible  additional attributes: context,
          links, xattr, all
       -c     same as --preserve=context
       --no-preserve=ATTR_LIST
          don’t preserve the specified attributes
       --parents
          use full source file name under DIRECTORY
       -R, -r, --recursive
          copy directories recursively
       --reflink[=WHEN]
          control clone/CoW copies. See below.
       --remove-destination
          remove each existing destination file before attempting to  open
          it (contrast with --force)
       --sparse=WHEN
          control creation of sparse files. See below.
       --strip-trailing-slashes
          remove any trailing slashes from each SOURCE argument
       -s, --symbolic-link
          make symbolic links instead of copying
       -S, --suffix=SUFFIX
          override the usual backup suffix
       -t, --target-directory=DIRECTORY
          copy all SOURCE arguments into DIRECTORY
       -T, --no-target-directory
          treat DEST as a normal file
       -u, --update
          copy  only  when    the  SOURCE file is newer than the destination
          file or when the destination file is missing
       -v, --verbose
          explain what is being done
       -x, --one-file-system
          stay on this file system
       -Z, --context=CONTEXT
          set security context of copy to CONTEXT
       --help display this help and exit
       --version
          output version information and exit
       By default, sparse SOURCE files are detected by a crude    heuristic  and
       the corresponding DEST file is made sparse as well.  That is the behav-
       ior selected by --sparse=auto.  Specify    --sparse=always     to  create  a
       sparse  DEST  file  whenever  the  SOURCE  file    contains a long enough
       sequence of zero bytes.    Use  --sparse=never  to     inhibit  creation  of
       sparse files.
       When --reflink[=always] is specified, perform a lightweight copy, where
       the data blocks are copied only when modified.  If this is not possible
       the copy fails, or if --reflink=auto is specified, fall back to a stan-
       dard copy.
       The  backup  suffix  is    ‘~’,  unless  set  with      --suffix   or      SIM-
       PLE_BACKUP_SUFFIX.   The version control method may be selected via the
       --backup option or through the  VERSION_CONTROL    environment  variable.
       Here are the values:
       none, off
          never make backups (even if --backup is given)
       numbered, t
          make numbered backups
       existing, nil
          numbered if numbered backups exist, simple otherwise
       simple, never
          always make simple backups
       As  a  special  case,  cp  makes     a backup of SOURCE when the force and
       backup options are given and SOURCE and DEST are the same name  for  an
       existing, regular file.
AUTHOR
       Written by Torbjorn Granlund, David MacKenzie, and Jim Meyering.
REPORTING BUGS
       Report cp bugs to bug-coreutils@gnu.org
       GNU coreutils home page: <http://www.gnu.org/software/coreutils/>
       General help using GNU software: <http://www.gnu.org/gethelp/>
       Report cp translation bugs to <http://translationproject.org/team/>
COPYRIGHT
       Copyright  ©  2010  Free Software Foundation, Inc.  License GPLv3+: GNU
       GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
       This is free software: you are free  to    change    and  redistribute  it.
       There is NO WARRANTY, to the extent permitted by law.
SEE ALSO
       The  full  documentation     for cp is maintained as a Texinfo manual.  If
       the info and cp programs are properly installed at your site, the  com-
       mand
          info coreutils 'cp invocation'
       should give you access to the complete manual.
GNU coreutils 8.4           June 2012                 CP(1)

转载于:https://my.oschina.net/vimer/blog/134390

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