File comparison command

File comparison command-Linux general technology-Linux technology and application information, the following is a detailed description. Common file operation commands
Diff: Report Text difference.
Comp: Report Text difference location.
Uniq: removes duplicate rows from the file.
Cut: displays a column in the file.
Paste: concatenates text by column.
Diff compares the differences between two files and sends them to the standard output. Report the different line before output. <Indicates the content of the previous file,> The content of the last file.
Comp can also be used to compare files. However, comp only reports the differences between the two files without displaying the differences.
Uniq is used to remove duplicate rows in text. The-u parameter can only display rows that are not repeated. -D: duplicate rows are displayed.
Cut can be used to divide columns for text based on a specified tag (tab by default), and then display this row.
Paste concatenates several collections by column. By default, the column Separator of the new file is tab, or you can use the-d parameter to specify.