The--sort of Linux commands

Name: sort
Location:/usr/bin/sort
permissions: All Users
usage: sort [OPTION] ... [FILE] ...
Sort [OPTION] ...--files0-from=f
Options:
-B--ignore-leading-blanks ignores the front space
-F--ignore-case Fold lower case-to-upper characters ignores letter capitalization
-M--month-sort Compare (unknown) < ' JAN ' < ... < ' DEC ' sorted by month name

-N--numeric-sort Compare according to string numerical value is sorted in pure numbers (by default, sort by text type)

$ cat a11325143$ sort a11133245$ sort-n a13451132      -u--unique the  same data, only one line appears in the $ cat a13513$ sort-u a135

-T--FIELD-SEPARATOR=SEP use SEP instead of Non-blank to blank transition specify delimiter, default to tab delimiter
-K--key=pos1[,pos2] Start a key at POS1 (Origin 1), end it at POS2 (default end of line). See POS syntax below

Specify the interval for sorting
Sort the first field with a colon ":" as the delimiter

head/etc/passwdroot:x:0:0:root:/root:/bin/bashdaemon:x:1:1:daemon:/usr/sbin:/bin/shbin:x:2:2:bin:/bin:/bin/ Shsys:x:3:3:sys:/dev:/bin/shsync:x:4:65534:sync:/bin:/bin/syncgames:x:5:60:games:/usr/games:/bin/shman:x:6:12: man:/var/cache/man:/bin/shlp:x:7:7:lp:/var/spool/lpd:/bin/shmail:x:8:8:mail:/var/mail:/bin/shnews:x:9:9:news:/ var/spool/news:/bin/sh$ head/etc/passwd| Sort-t ":"-K 1bin:x:2:2:bin:/bin:/bin/shdaemon:x:1:1:daemon:/usr/sbin:/bin/shgames:x:5:60:games:/usr/games:/bin/ Shlp:x:7:7:lp:/var/spool/lpd:/bin/shmail:x:8:8:mail:/var/mail:/bin/shman:x:6:12:man:/var/cache/man:/bin/shnews : X:9:9:news:/var/spool/news:/bin/shroot:x:0:0:root:/root:/bin/bashsync:x:4:65534:sync:/bin:/bin/syncsys:x:3:3: Sys:/dev:/bin/sh The following example shows the importance of-N for the $ cat apa:11:asa:32:capp:5:bstort:1:dpear:4:aahello:3:f$ cat A |sort-t ":"-K 2 pa:11: astort:1:dsa:32:chello:3:fpear:4:aaapp:5:b$ Cat A |sort-t ":"-K 2-n Stort:1:dhello:3:fpear:4:aaapp:5:bpa:11:asa:32:c

The--sort of Linux commands