Assuming at least one file matching the pattern is in the current directory, the command echo ???a will display:

Assuming at least one file matching the pattern is in the current directory, the command echo ???a will display:Category: Introduction to Linux IAuthor "LinuxQuestions"Assuming at least one file matching the pattern is in the current directory, the command echo ???a will display:
Linux Questions Staff asked 1 year ago

Case 1:

Assuming at least one file matching the pattern is in the current directory, the command echo ???a will display:

  • All of the files in the current directory that have four characters in the file name.
  • All of the files in the current directory that have four characters in the file name with the last character being an “a” character.
  • All of the files in the current directory that end with an “a” character.
  • Only a file named ???a

Case 2:

Assuming at least one file matching the pattern is in the current directory, the command echo a* will display:

  • Only the file named “a*”.
  • All of the files in any directory that begin with an “a” character.
  • All of the files in the current directory that begin with an “a” character.
  • All of the files in the current directory that begin with an “a” or “A” character.

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