Lists all files in current directory

-a show hidden files
-l more details about the files
-h show file size in Kb, Mb or Gb

Prints contents of the provided file, if multiple files are provided then concatenates the contents.

$ cat file1.txt file2.txt

Peak first 10 lines of the given file.

-n number of lines to peak.

$ head -n 5 file.txt

Peak last 10 lines of the given file.

-n number of lines to peak.

$ tail -n 5 file.txt

Deletes files

-r (recursive) to delete folder

$ rm -r temp_folder

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