Linux Text Processing commands

1. Cat:concatnate

Options:

-n:number Display Line numbers

-e:end displays the identifier at the end of each line (the identifier at the end of each line in Linux is $, and $+ returns in Windows)

-v:visible visible display of nonprinting characters

2. MORE:

3. Less:

4 head: Show from scratch

-n Specifies the number of rows

5. Tail: View the file trailer

-f:fllow View the end of the file, do not exit wait for subsequent append to this file new content

6. Cut: Modify the contents of the file to output

-d:delimiter Specifying a separator

-f:filed Specifying fields

-b:byte Split by Byte

-c:characters Split by character

7. Sort: By default according to Ascⅱ code sorted by character from left to right

Options:

-n:number Sorting by value

-r:resort

-t:trainsition Setting a separator

-K:KEY specifies which field to sort the keyword with-t

-u:unique the same row is displayed only once (the same row as the same row)

-f:fold (folded, shrouded) ignoring case

-c:count shows the number of duplicate rows

-d:double Show only Duplicate rows

8. Wc:word Count

Options:

-l:line shows only the number of rows

-c:bytes count shows only the number of bytes

-w:word number of words

-M: Displays only the number of characters

-L: The longest line contains the number of characters

9. tr:trainsition Remove to convert or delete characters

Options:

-d:delete

EX:TR AB AB Replacement AB (each corresponding to the replacement)

TR A-Z

Linux Text Processing commands