- a) date prints the number of seconds since UNIX epoch
- b) who shows which users are logged in
- c) whoami shows the current user
- d) who am i does nothing
- e) pwd prints the current directory
- f) cd changes the working directory
- g) mkdir creates a new directory
- h) rmdir removes a directory
- i) rm removes a file or a directory and its contents with the -r flag
- j) cp copies a file
- k) mv moves a file
- l) ls lists the files in a directory (with permissions)
- m) cat concatenates a file or stream
- n) more outputs a file to the terminal with the option to scroll
- o) less does the same as more but starts at the end of the file
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