system
- allocate
- allocate a device
- concatenate
- connect files together into one big file
- copy
- copy a file, or a set of files to a directory
- count
- determine number of lines, words and characters in a file
- deallocate
- deallocate a device
- delete
- delete a file or files
- devstatus
- print status information for a device
- directory
- list the contents of a file directory
- diskspace
- summarize disk space utilitization
- files
- expand a file name template into a list of files
- gripes
- send gripes or suggestions to the system
- head
- print the first few lines of the specified files
- help
- print online documentation for the named modules or packages
- lprint
- print a file or files
- match
- match a pattern against the lines in a file or files
- mkdir
- make a new directory
- mkscript
- make a script for a command sequence to be run in batch
- movefiles
- move files to a directory
- netstatus
- print the status of the local network
- news
- print the revisions summary for the current iraf version
- page
- display a file or files one page at a time
- pathnames
- print the host pathnames for a set of files
- phelp
- page the output of the HELP task
- protect
- protect files from deletion
- references
- find all help database references to a given topic
- rename
- rename a file or set of files
- rewind
- rewind a previously allocated device
- sort
- sort a file or the standard input
- spy
- tell who is logged in and what they are doing
- tail
- print the last few lines of the specified files
- tee
- tee the standard output to a file
- type
- type a file or files on the standard output
- unprotect
- remove file protection