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Co:Z SFTP is a port of OpenSSH SFTP for z/OS which adds support for z/OS datasets, catalogs, spool files, SMF, etc. This product is designed to work with secure SSH connections provided by IBM Ported Tools for z/OS - OpenSSH. The rich set of z/OS features in Co:Z SFTP are implemented in such a way as to be completely accessible from OpenSSH or standard-compliant SFTP products on other platforms.
Using Co:Z SFTP-server, systems with OpenSSH or another sftp compatible client may transfer files directly to z/OS datasets and control all aspects of dataset allocation, formats, and codepage conversion. Co:Z SFTP retains compatibility with OpenSSH sftp, supporting the binary transfer of z/OS UNIX files, but also supports codepage and line terminator conversion.
Using Co:Z SFTP client, z/OS datasets and POSIX files can be transfered. The client may be used interactively or from a z/OS batch job (typically from within a Co:Z Batch job step).
Examples:
Co:Z Documentation provides many Co:Z SFTP-server and Co:Z SFTP client examples in the User's Guide for setting file transfer options and working with datasets. Additionally, the User's Guide provides the following Co:Z SFTP client batch examples:
- Co:Z SFTP client batch job with a password
- Co:Z SFTP client batch job with a RACF Digital Certificate
- Using saf-ssh-agent to run remote SSH commands
Features:
- Works with most existing sftp implementations
- Transfer datasets via the get and put commands
- Navigate z/OS catalogs via the cd command.
- List dataset information and PDS directories via the ls command.
- Records SMF 119 records if user has BPX.SMF SAF authorization.
- Support for IBM FTP compatible user exits. See the Co:Z SFTP Exits Guide for information.
- Supports direct access to datasets which can be opened in sequential, record mode
by the fopen() C-library routine. This includes:
- z/OS sequential datasets (QSAM, BSAM, VSAM)
- PDS and PDSE members
- SYSOUT datasets, including the z/OS internal reader
- Supports files or datasets larger than 2GB
- Supports text or binary conversion via flexible line-termination rules
- Supports flexible record padding / overflow rules
- Can specify dataset dynamic allocation (BPXWDYN) keywords
- Supports JES2 and JES3 job status and spool file transfer on z/OS 1.9 or later
Supported Environments:
z/OS Host Requirements
- z/OS V1R7 or later
- IBM Ported Tools for z/OS (OpenSSH)
Client Requirements
- Wide variety of operating systems, including Windows, *IX variants, z/OS...
- sftp clients supporting SSH File Transfer Protocol, such as:
- Co:Z sftp client for z/OS
- OpenSSH
- puTTy psftp
- winSCP
- gFTP