| 3.7.5 Commands and Functions for IO |
| Block | group several commands into a single command |
| Close | close a device |
| CloseLog | close a log of a CoCoA session |
| Format | convert object to formatted string |
| Get | read characters from a device |
| IO.SprintTrunc | convert to a string and truncate |
| Latex | LaTeX formatting |
| More | print a string, N lines at a time |
| OpenIFile | open input file |
| OpenIString | open input string |
| OpenLog | open a log of a CoCoA session |
| OpenOFile | open output file |
| OpenOString | open output string |
| OpenSocket | open a socket connection |
| print the value of an expression | |
| Print On | print to an output device |
| PrintLn | print the value of an expression |
| Source | read commands from a file or device |
| Sprint | convert to a string |
| Tag | returns the tag string of an object |
| Tagged | tag an object for pretty printing |
| Untagged | untag an object |