| ABACKUP | VMS procedure to back up data on tape |
| ACTNOISE | puts estimate of actual image uncertainty and zero in header |
| ADDBEAM | Inserts clean beam parameters in image header |
| ADDDISK | makes a computer’s disks available to the current AIPS session |
| ALLDEST | Delete a group or all of a users data files |
| ALTDEF | Sets frequency vs velocity relationship into image header |
| ALTSWTCH | Switches between frequency and velocity in image header |
| ARESTORE | Restores back up tapes of users data |
| AX2REF | Second reference pixel number |
| AXDEFINE | Define or modify an image axis description |
| AXINC | Axis increment - change in coordinate between pixels |
| AXREF | Reference pixel number |
| AXTYPE | Type of coordinate axis |
| AXVAL | Value of axis coordinate at reference pixel |
| BAKLD | reads all files of a catalog entry from BAKTP tape |
| BAKTP | writes all files of a catalog entry to tape in host format |
| CATALOG | list one or more entries in the user’s data directory |
| CATNO | Specifies AIPS catalog slot number range |
| CELGAL | switches header between celestial and galactic coordinates |
| CHKNAME | Checks for existence of the specified image name |
| CLNUP | removes old MS, RL, SG, TG and ?? files from AIPS disks |
| CLR2NAME | clears adverbs specifying the second input image |
| CLR3NAME | clears adverbs specifying the third input image |
| CLR4NAME | clears adverbs specifying the fourth input image |
| CLR5NAME | clears adverbs specifying the fifth input image |
| CLRNAME | clears adverbs specifying the first input image |
| CLRONAME | clears adverbs specifying the first output image |
| CLRSTAT | remove any read or write status flags on a directory entry |
| COODEFIN | Define or modify an image axis coordinate description |
| COOINC | Celestial axes increment: change in coordinate between pixels |
| COOREF | Reference pixel number for two coordinate axes |
| COOTYPE | Celestial axes projection type |
| DAYNUMBR | finds day nuumber of an image or uv data set |
| DISKU | shows disk use by one or all users |
| DOALPHA | specifies whether some list is alphabetized |
| DOCAT | specifies whether the output is saved (cataloged) or not |
| DOCC | Adverb to control application to Clean component files |
| DOHIST | selects a histogram display or controls writing of history file |
| DOOUTPUT | selects whether output image or whatever is saved / discarded |
| EGETHEAD | returns parameter value from image header and error code |
| EGETNAME | fills in input name adverbs by catalog slot number, w error |
| EPOSWTCH | Switches between B1950 and J2000 coordinates in header |
| ERROR | was there an error |
| EXTDEST | deletes one or more extension files |
| EXTLIST | lists detailed information about contents of extension files |
| GET2NAME | fills 2nd input image name parameters by catalog slot number |
| GET3NAME | fills 3rd input image name parameters by catalog slot number |
| GET4NAME | fills 4th input image name parameters by catalog slot number |
| GET5NAME | fills 5th input image name parameters by catalog slot number |
| GETHEAD | returns parameter value from image header |
| GETNAME | fills 1st input image name parameters by catalog slot number |
| GETONAME | fills 1st output image name parameters by catalog slot number |
| GETVERS | finds maximum version number of an extension file |
| HGEOM | interpolates image to different gridding and/or geometry |
| HIEND | End record number in a history-file operation |
| HINOTE | adds user-generated lines to the history extension file |
| HISTART | Start record number in a history-file operation |
| HITEXT | writes lines from history extension file to text file |
| IM2HEAD | displays the image 2 header contents to terminal, message file |
| IM3HEAD | displays the image 3 header contents to terminal, message file |
| IM4HEAD | displays the image 4 header contents to terminal, message file |
| IM5HEAD | displays the image 5 header contents to terminal, message file |
| IMDIST | determines spherical distance between two pixels |
| IMHEADER | displays the image header contents to terminal, message file |
| IMOHEAD | displays the output image header contents |
| IMPOS | displays celestial coordinates selected by the TV cursor |
| IMVAL | returns image intensity and coordinate at specified pixel |
| IN2CLASS | specifies the ”class” of the 2nd input image or data base |
| IN2DISK | specifies the disk drive of the 2nd input image or data base |
| IN2EXT | specifies the type of the 2nd input extension file |
| IN2NAME | specifies the ”name” of the 2nd input image or data base |
| IN2SEQ | specifies the sequence # of the 2nd input image or data base |
| IN2TYPE | specifies the type of the 2nd input image or data base |
| IN2VERS | specifies the version number of the 2nd input extension file |
| IN3CLASS | specifies the ”class” of the 3rd input image or data base |
| IN3DISK | specifies the disk drive of the 3rd input image or data base |
| IN3EXT | specifies the type of the 3rd input extension file |
| IN3NAME | specifies the ”name” of the 3rd input image or data base |
| IN3SEQ | specifies the sequence # of the 3rd input image or data base |
| IN3TYPE | specifies the type of the 3rd input image or data base |
| IN3VERS | specifies the version number of the 3rd input extension file |
| IN4CLASS | specifies the ”class” of the 4th input image or data base |
| IN4DISK | specifies the disk drive of the 4th input image or data base |
| IN4NAME | specifies the ”name” of the 4th input image or data base |
| IN4SEQ | specifies the sequence # of the 4th input image or data base |
| IN4TYPE | specifies the type of the 4th input image or data base |
| IN4VERS | specifies the version number of the 4th input extension file |
| IN5CLASS | specifies the ”class” of the 5th input image or data base |
| IN5DISK | specifies the disk drive of the 5th input image or data base |
| IN5NAME | specifies the ”name” of the 5th input image or data base |
| IN5SEQ | specifies the sequence # of the 5th input image or data base |
| IN5TYPE | specifies the type of the 5th input image or data base |
| IN5VERS | specifies the version number of the 5th input extension file |
| INCLASS | specifies the ”class” of the 1st input image or data base |
| INDISK | specifies the disk drive of the 1st input image or data base |
| INEXT | specifies the type of the 1st input extension file |
| INNAME | specifies the ”name” of the 1st input image or data base |
| INSEQ | specifies the sequence # of the 1st input image or data base |
| INTYPE | specifies the type of the 1st input image or data base |
| INVERS | specifies the version number of the 1st input extension file |
| KEYSTRNG | gives contents of character-valued keyword parameter |
| KEYTYPE | Adverb giving the keyword data type code |
| KEYVALUE | gives contents of numeric-valued keyword parameter |
| KEYWORD | gives name of keyword parameter - i.e. name of header field |
| LGEOM | regrids images with rotation, shift using interpolation |
| M2CAT | displays images in the user’s catalog directory for IN2DISK |
| M3CAT | displays images in the user’s catalog directory for IN3DISK |
| M4CAT | displays images in the user’s catalog directory for IN4DISK |
| M5CAT | displays images in the user’s catalog directory for IN5DISK |
| MAXVERS | The maximum version number of a specified extension file type |
| MCAT | lists images in the user’s catalog directory on disk INDISK |
| MOCAT | displays images in the user’s catalog directory for OUTDISK |
| MOVE | Task to copy or move data from one user or disk to another |
| NAMEGET | fills 1st input image name parameters by default matching |
| OUT2CLAS | The class of a secondary output file |
| OUT2DISK | The disk number of a secondary output file. |
| OUT2NAME | The name of a secondary output file. |
| OUT2SEQ | The sequence of a secondary output file. |
| OUTCLASS | The class of an output file |
| OUTDISK | The disk number of an output file. |
| OUTNAME | The name of an output file. |
| OUTSEQ | The sequence of an output file. |
| OUTVERS | The output version number of an extension file (table). |
| PCAT | Verb to list entries in the user’s catalog (no log file). |
| PLVER | specifies the version number of a PL extension file |
| PRTHI | prints selected contents of the history extension file |
| PUTHEAD | Verb to modify image header parameters. |
| Q2HEADER | Verb to summarize the image 2 header: positions at center |
| Q3HEADER | Verb to summarize the image 3 header: positions at center |
| Q4HEADER | Verb to summarize the image 4 header: positions at center |
| Q5HEADER | Verb to summarize the image 5 header: positions at center |
| QGETVERS | finds maximum version number of an extension file quietly |
| QHEADER | Verb to summarize the image header: positions at center |
| QOHEADER | Verb to summarize the output image header: center positions |
| QUAL | Source qualifier |
| RECAT | Verb to compress the entries in a catalog file |
| REMDISK | removes a computer’s disks from the current AIPS session |
| RENAME | Rename a file (UV or Image) |
| RENUMBER | Verb to change the catalog number of an image. |
| RESCALE | Verb to modify image scale factor and offset |
| REVERSN | checks disk for presence of extension files |
| SCAT | lists scratch files in the user’s catalog directory on all disks |
| SCRDEST | Verb to destroy scratch files left by bombed tasks. |
| SLOT | Specifies AIPS catalog slot number |
| STALIN | revises history by deleting lines from history extension file |
| STARTTV | Restarts XAS (TV), MS, TK servers that have disappered |
| TVDIST | determines spherical distance between two pixels on TV screen |
| TVRESTOR | Restarts XAS (TV), MS, TK servers that have disappered |
| U2CAT | list a user’s UV and scratch files on disk IN2DISK |
| U3CAT | list a user’s UV and scratch files on disk IN3DISK |
| U4CAT | list a user’s UV and scratch files on disk IN4DISK |
| U5CAT | list a user’s UV and scratch files on disk IN5DISK |
| UCAT | list a user’s UV and scratch files on disk INDISK |
| UOCAT | list a user’s UV and scratch files on disk OUTDISK |
| USERID | User number |
| ZAP | Delete a catalog entry and its extension files |