Commands Crossword

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Across
  1. 5. Define or display aliases
  2. 6. Set the environment for command invocation
  3. 8. Yet another compiler compiler
  4. 11. Write arguments to standard output
  5. 12. Parse utility options
  6. 14. Return the location of a command
  7. 16. Cut out selected fields of each line of a file
  8. 17. Run jobs in the foreground
  9. 18. Search text for a pattern
  10. 19. Arbitrary-precision arithmetic language
  11. 21. Visual display editor
  12. 23. Pattern scanning and processing language
  13. 27. Remove files
  14. 29. Print files
  15. 31. Convert and copy a file
  16. 33. Copy files
  17. 35. Return system name
  18. 37. Create a new file
  19. 39. List directory contents
  20. 43. Report free disk space
  21. 44. Change the file modes/attributes/permissions
  22. 47. Write formatted output
  23. 50. Terminate processes
  24. 51. Write to user's terminal
  25. 52. Return the directory portion of a pathname
  26. 54. Sort, merge or sequence-check text files
  27. 55. Compare two files
  28. 57. Line numbering filter
  29. 58. Return user identity
  30. 60. Apply changes to files
  31. 64. Read a line from standard input
  32. 66. Get or set the file mode creation mask
  33. 67. Return the user's login name
  34. 68. Merges two sorted text files based on the presence of a common field
  35. 69. Construct argument lists and invoke utility
  36. 71. Change terminal characteristics
  37. 74. Stream editor
  38. 76. Generate programs for lexical tasks
  39. 77. Print working directory
  40. 79. Duplicate the standard output
  41. 80. Maintain, update and regenerate groups of programs
  42. 81. Link files
Down
  1. 1. Set the options for a terminal
  2. 2. Schedule commands to be executed in a batch queue
  3. 3. Merge corresponding lines of files
  4. 4. Move or rename files
  5. 7. Invoke a utility immune to hangups
  6. 9. Schedule periodic background work
  7. 10. Evaluate expression for testing
  8. 13. Return true value
  9. 15. Evaluate argument as an expression
  10. 17. Determine file type
  11. 20. Change the working directory
  12. 22. Hash database access method
  13. 24. Display the users on the system
  14. 25. Send files to a printer
  15. 26. Print a calendar
  16. 28. Create directories
  17. 30. Remove directories, if they are empty
  18. 32. Estimate file space usage
  19. 33. Change the file ownership
  20. 34. Copy the first part of files
  21. 36. Invoke a utility with an altered nice value
  22. 38. Remove links from a file
  23. 40. Suspend execution for an interval
  24. 41. Split files into pieces
  25. 42. Remove unnecessary information from executable files
  26. 44. Concatenate and print files
  27. 45. Create FIFO special files
  28. 46. Create a hard link to a file
  29. 48. Find files
  30. 49. Report process status
  31. 53. Display files on a page-by-page basis
  32. 56. Return false value
  33. 59. Await process completion
  34. 61. Change the file group ownership
  35. 62. Run jobs in the background
  36. 63. Copy the last part of a file
  37. 65. Execute commands at a later time
  38. 66. Filter out repeated lines in a file
  39. 70. Create and maintain library archives
  40. 72. Translate characters
  41. 73. Dump files in octal format
  42. 74. Shell, the standard command language interpreter
  43. 75. Display the date and time
  44. 78. Line, word and character count
  45. 80. Display system documentation