| perl538Packages.NetSSH | Simple wrappers around ssh commands |
| perl538Packages.NetSCP | Simple wrappers around ssh and scp commands |
| perl538Packages.TestCmd | Perl module for portable testing of commands and scripts |
| perl538Packages.ProcSafeExec | Convenient utility for executing external commands in various ways |
| perl538Packages.TestCommand | Test routines for external commands |
| perl538Packages.ShellCommand | Cross-platform functions emulating common shell commands |
| perl538Packages.IPCSystemSimple | Run commands simply, with detailed diagnostics |
| perl538Packages.SystemCommand | Object for running system commands |
| perl538Packages.CommandRunner | Run external commands and Perl code refs |