The sort command

This command sorts the contents of a text file, line by line. The options are as follows:

• -n: Sorts as per the numeric value
• -d: Sorts as per the dictionary meaning
• -h: Compares as per the human-readable numbers (for example, 1K 2G)
• -r: Sorts in the reverse order
• -t: Option to specify a delimiter for fields
• +num: Specifies sort field numbers
• -knum: Specifies sort field numbers
• $ sort -k4 sample.txt: This will sort according to the fourth field