UNIX Commands, AT&T Bell Laboratories
Across
- 3. concatenates files
- 4. unix is a pun on ______ which was an operating system the early developers were working on
- 5. print out arguments to the command
- 8. enables you to temporarily switch to a shell owned by another user
- 10. tells you what the current time is
- 12. deletes files
- 15. creates a directory
- 16. shows or sets the file mode creation mask
- 17. this is used by cron to determine what needs to be run
- 19. compare two sorted files line by line
- 20. prints lines matching a pattern
- 23. lists the contents of a directory
- 25. strips directory and suffix from filenames
- 27. changes the timestamps of a file or creates file if it doesn't exist
- 28. shows the different between two text files
- 30. tests for file types and compare values
- 31. most commonly used text editor on UNIX/linux
- 32. without any files specified, cat reads from the standard ______
- 33. used to create a link to a file
- 36. print out calendar for the specified month or year
- 37. the connection of the standard output of one process to the standard input of another is known as a _____
- 38. shows how the directory tree is built by mounted filesystems
- 40. shows first few lines of files
- 41. creates copy of file under a different name or path
- 42. saves a typescript of an interactive terminal session
- 44. file perusal filter similar to more but with more features
- 46. initializes a terminal or query terminfo database
- 49. relays standard input to the standard output while capturing a copy in a file
- 50. stream editor for filtering and transforming text using a regular expression syntax
- 52. the original line editor that came with UNIX
- 53. program that reads input from the standard input and writes to the standard output
- 54. used to send output to a printer
- 56. calls up the GNU C compiler
- 57. the -n option to this command prints the hostname of the computer
- 59. shows what processes are running on the system
- 60. evaluates logical or integer arithmatic expressions
- 62. shows or omits repeated lines
- 63. files with names starting with a period are known as _____ files (synonym)
- 64. displays information about users on the system
- 66. it is a unix convention to store binaries in a ____ directory
Down
- 1. program that returns an exit status of non zero
- 2. display or set your tty settings
- 4. renames a file
- 6. removes sections from each line of files
- 7. this is the clock daemon that will run commands for you on a regularly scheduled basis
- 8. a link that can span file system boundaries is called a ______ link
- 9. a pattern scanning and processing language with algorithmic syntax used in scripting
- 11. version of grep that allows the use of logical operators in specifying the search pattern
- 13. used to send various signals to processes whose PIDs are known
- 14. system process that is designed to run in the background
- 18. paginates a file
- 21. this is the line oriented portion of vi
- 22. shows who is currently logged on
- 24. diverting the standard output to a file is known as a _____ion operation
- 25. arbitrary precision infix calculator
- 26. what we usually call a command line interpreter
- 27. program that returns an exit status of zero
- 29. searches for files in a directory hierarchy
- 34. changes file permission mode settings
- 35. shows a listing of last logged in users
- 39. determines file type
- 42. delays for a specified amount of time
- 43. every process was a unique ___ number
- 45. sorts lines of text based on criteria
- 47. prints out the last few lines of a file
- 48. file perusal filter for viewing on terminal
- 49. tells computer about the capabilities of your terminal
- 51. strips last component from filename
- 55. ability to run more than one command at a time
- 58. translates or deletes characters
- 61. merges lines of files
- 65. removes an empty directory