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SFTP(1)			  BSD General Commands Manual		       SFTP(1)

NAME
     sftp — secure file transfer program

SYNOPSIS
     sftp [-1246aCfpqrv] [-B buffer_size] [-b batchfile] [-c cipher]
	  [-D sftp_server_path] [-F ssh_config] [-i identity_file] [-l limit]
	  [-o ssh_option] [-P port] [-R num_requests] [-S program]
	  [-s subsystem | sftp_server] host
     sftp [user@]host[:file ...]
     sftp [user@]host[:dir[/]]
     sftp -b batchfile [user@]host

DESCRIPTION
     sftp is an interactive file transfer program, similar to ftp(1), which
     performs all operations over an encrypted ssh(1) transport.  It may also
     use many features of ssh, such as public key authentication and compres‐
     sion.  sftp connects and logs into the specified host, then enters an
     interactive command mode.

     The second usage format will retrieve files automatically if a non-inter‐
     active authentication method is used; otherwise it will do so after suc‐
     cessful interactive authentication.

     The third usage format allows sftp to start in a remote directory.

     The final usage format allows for automated sessions using the -b option.
     In such cases, it is necessary to configure non-interactive authentica‐
     tion to obviate the need to enter a password at connection time (see
     sshd(8) and ssh-keygen(1) for details).

     Since some usage formats use colon characters to delimit host names from
     path names, IPv6 addresses must be enclosed in square brackets to avoid
     ambiguity.

     The options are as follows:

     -1	     Specify the use of protocol version 1.

     -2	     Specify the use of protocol version 2.

     -4	     Forces sftp to use IPv4 addresses only.

     -6	     Forces sftp to use IPv6 addresses only.

     -a	     Attempt to continue interrupted downloads rather than overwriting
	     existing partial or complete copies of files.  If the remote file
	     contents differ from the partial local copy then the resultant
	     file is likely to be corrupt.

     -B buffer_size
	     Specify the size of the buffer that sftp uses when transferring
	     files.  Larger buffers require fewer round trips at the cost of
	     higher memory consumption.	 The default is 32768 bytes.

     -b batchfile
	     Batch mode reads a series of commands from an input batchfile
	     instead of stdin.	Since it lacks user interaction it should be
	     used in conjunction with non-interactive authentication.  A
	     batchfile of ‘-’ may be used to indicate standard input.  sftp
	     will abort if any of the following commands fail: get, put,
	     reget, rename, ln, rm, mkdir, chdir, ls, lchdir, chmod, chown,
	     chgrp, lpwd, df, symlink, and lmkdir.  Termination on error can
	     be suppressed on a command by command basis by prefixing the com‐
	     mand with a ‘-’ character (for example, -rm /tmp/blah*).

     -C	     Enables compression (via ssh's -C flag).

     -c cipher
	     Selects the cipher to use for encrypting the data transfers.
	     This option is directly passed to ssh(1).

     -D sftp_server_path
	     Connect directly to a local sftp server (rather than via ssh(1)).
	     This option may be useful in debugging the client and server.

     -F ssh_config
	     Specifies an alternative per-user configuration file for ssh(1).
	     This option is directly passed to ssh(1).

     -f	     Requests that files be flushed to disk immediately after trans‐
	     fer.  When uploading files, this feature is only enabled if the
	     server implements the "fsync@openssh.com" extension.

     -i identity_file
	     Selects the file from which the identity (private key) for public
	     key authentication is read.  This option is directly passed to
	     ssh(1).

     -l limit
	     Limits the used bandwidth, specified in Kbit/s.

     -o ssh_option
	     Can be used to pass options to ssh in the format used in
	     ssh_config(5).  This is useful for specifying options for which
	     there is no separate sftp command-line flag.  For example, to
	     specify an alternate port use: sftp -oPort=24.  For full details
	     of the options listed below, and their possible values, see
	     ssh_config(5).

		   AddressFamily
		   BatchMode
		   BindAddress
		   CanonicalDomains
		   CanonicalizeFallbackLocal
		   CanonicalizeHostname
		   CanonicalizeMaxDots
		   CanonicalizePermittedCNAMEs
		   ChallengeResponseAuthentication
		   CheckHostIP
		   Cipher
		   Ciphers
		   Compression
		   CompressionLevel
		   ConnectionAttempts
		   ConnectTimeout
		   ControlMaster
		   ControlPath
		   ControlPersist
		   GlobalKnownHostsFile
		   GSSAPIAuthentication
		   GSSAPIDelegateCredentials
		   HashKnownHosts
		   Host
		   HostbasedAuthentication
		   HostKeyAlgorithms
		   HostKeyAlias
		   HostName
		   IdentityFile
		   IdentitiesOnly
		   IPQoS
		   KbdInteractiveAuthentication
		   KbdInteractiveDevices
		   KexAlgorithms
		   LogLevel
		   MACs
		   NoHostAuthenticationForLocalhost
		   NumberOfPasswordPrompts
		   PasswordAuthentication
		   PKCS11Provider
		   Port
		   PreferredAuthentications
		   Protocol
		   ProxyCommand
		   PubkeyAuthentication
		   RekeyLimit
		   RhostsRSAAuthentication
		   RSAAuthentication
		   SendEnv
		   ServerAliveInterval
		   ServerAliveCountMax
		   StrictHostKeyChecking
		   TCPKeepAlive
		   UsePrivilegedPort
		   User
		   UserKnownHostsFile
		   VerifyHostKeyDNS

     -P port
	     Specifies the port to connect to on the remote host.

     -p	     Preserves modification times, access times, and modes from the
	     original files transferred.

     -q	     Quiet mode: disables the progress meter as well as warning and
	     diagnostic messages from ssh(1).

     -R num_requests
	     Specify how many requests may be outstanding at any one time.
	     Increasing this may slightly improve file transfer speed but will
	     increase memory usage.  The default is 64 outstanding requests.

     -r	     Recursively copy entire directories when uploading and download‐
	     ing.  Note that sftp does not follow symbolic links encountered
	     in the tree traversal.

     -S program
	     Name of the program to use for the encrypted connection.  The
	     program must understand ssh(1) options.

     -s subsystem | sftp_server
	     Specifies the SSH2 subsystem or the path for an sftp server on
	     the remote host.  A path is useful for using sftp over protocol
	     version 1, or when the remote sshd(8) does not have an sftp sub‐
	     system configured.

     -v	     Raise logging level.  This option is also passed to ssh.

INTERACTIVE COMMANDS
     Once in interactive mode, sftp understands a set of commands similar to
     those of ftp(1).  Commands are case insensitive.  Pathnames that contain
     spaces must be enclosed in quotes.	 Any special characters contained
     within pathnames that are recognized by glob(3) must be escaped with
     backslashes (‘\’).

     bye     Quit sftp.

     cd path
	     Change remote directory to path.

     chgrp grp path
	     Change group of file path to grp.	path may contain glob(3) char‐
	     acters and may match multiple files.  grp must be a numeric GID.

     chmod mode path
	     Change permissions of file path to mode.  path may contain
	     glob(3) characters and may match multiple files.

     chown own path
	     Change owner of file path to own.	path may contain glob(3) char‐
	     acters and may match multiple files.  own must be a numeric UID.

     df [-hi] [path]
	     Display usage information for the filesystem holding the current
	     directory (or path if specified).	If the -h flag is specified,
	     the capacity information will be displayed using "human-readable"
	     suffixes.	The -i flag requests display of inode information in
	     addition to capacity information.	This command is only supported
	     on servers that implement the “statvfs@openssh.com” extension.

     exit    Quit sftp.

     get [-afPpr] remote-path [local-path]
	     Retrieve the remote-path and store it on the local machine.  If
	     the local path name is not specified, it is given the same name
	     it has on the remote machine.  remote-path may contain glob(3)
	     characters and may match multiple files.  If it does and
	     local-path is specified, then local-path must specify a direc‐
	     tory.

	     If the -a flag is specified, then attempt to resume partial
	     transfers of existing files.  Note that resumption assumes that
	     any partial copy of the local file matches the remote copy.  If
	     the remote file contents differ from the partial local copy then
	     the resultant file is likely to be corrupt.

	     If the -f flag is specified, then fsync(2) will be called after
	     the file transfer has completed to flush the file to disk.

	     If either the -P or -p flag is specified, then full file permis‐
	     sions and access times are copied too.

	     If the -r flag is specified then directories will be copied
	     recursively.  Note that sftp does not follow symbolic links when
	     performing recursive transfers.

     help    Display help text.

     lcd path
	     Change local directory to path.

     lls [ls-options [path]]
	     Display local directory listing of either path or current direc‐
	     tory if path is not specified.  ls-options may contain any flags
	     supported by the local system's ls(1) command.  path may contain
	     glob(3) characters and may match multiple files.

     lmkdir path
	     Create local directory specified by path.

     ln [-s] oldpath newpath
	     Create a link from oldpath to newpath.  If the -s flag is speci‐
	     fied the created link is a symbolic link, otherwise it is a hard
	     link.

     lpwd    Print local working directory.

     ls [-1afhlnrSt] [path]
	     Display a remote directory listing of either path or the current
	     directory if path is not specified.  path may contain glob(3)
	     characters and may match multiple files.

	     The following flags are recognized and alter the behaviour of ls
	     accordingly:

	     -1	     Produce single columnar output.

	     -a	     List files beginning with a dot (‘.’).

	     -f	     Do not sort the listing.  The default sort order is lexi‐
		     cographical.

	     -h	     When used with a long format option, use unit suffixes:
		     Byte, Kilobyte, Megabyte, Gigabyte, Terabyte, Petabyte,
		     and Exabyte in order to reduce the number of digits to
		     four or fewer using powers of 2 for sizes (K=1024,
		     M=1048576, etc.).

	     -l	     Display additional details including permissions and own‐
		     ership information.

	     -n	     Produce a long listing with user and group information
		     presented numerically.

	     -r	     Reverse the sort order of the listing.

	     -S	     Sort the listing by file size.

	     -t	     Sort the listing by last modification time.

     lumask umask
	     Set local umask to umask.

     mkdir path
	     Create remote directory specified by path.

     progress
	     Toggle display of progress meter.

     put [-fPpr] local-path [remote-path]
	     Upload local-path and store it on the remote machine.  If the
	     remote path name is not specified, it is given the same name it
	     has on the local machine.	local-path may contain glob(3) charac‐
	     ters and may match multiple files.	 If it does and remote-path is
	     specified, then remote-path must specify a directory.

	     If the -f flag is specified, then a request will be sent to the
	     server to call fsync(2) after the file has been transferred.
	     Note that this is only supported by servers that implement the
	     "fsync@openssh.com" extension.

	     If either the -P or -p flag is specified, then full file permis‐
	     sions and access times are copied too.

	     If the -r flag is specified then directories will be copied
	     recursively.  Note that sftp does not follow symbolic links when
	     performing recursive transfers.

     pwd     Display remote working directory.

     quit    Quit sftp.

     reget [-Ppr] remote-path [local-path]
	     Resume download of remote-path.  Equivalent to get with the -a
	     flag set.

     rename oldpath newpath
	     Rename remote file from oldpath to newpath.

     rm path
	     Delete remote file specified by path.

     rmdir path
	     Remove remote directory specified by path.

     symlink oldpath newpath
	     Create a symbolic link from oldpath to newpath.

     version
	     Display the sftp protocol version.

     !command
	     Execute command in local shell.

     !	     Escape to local shell.

     ?	     Synonym for help.

SEE ALSO
     ftp(1), ls(1), scp(1), ssh(1), ssh-add(1), ssh-keygen(1), glob(3),
     ssh_config(5), sftp-server(8), sshd(8)

     T. Ylonen and S. Lehtinen, SSH File Transfer Protocol, draft-ietf-secsh-
     filexfer-00.txt, January 2001, work in progress material.

BSD				March 28, 2024				   BSD
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