Shell Getting Started-sort sort

Command: Sort

Option:-t:-kn Specifies that the order is sorted according to a segment here N represents a number, the range specifies n,n. range from N to n

-N in numerical order

-R Reverse Order

-U go to repeat sort

-un numbers are ordered and repeated, and the system considers the letters to be repeated, taking only the first letter string in the document.

Description: Sort, no options are arranged in Asma order.

No Add option

[Email protected] ~]# SORT/ETC/PASSWD
Adm:x:3:4:adm:/var/adm:/sbin/nologin
Aming:x:502:502::/home/aming:/bin/bash
Avahi-autoipd:x:170:170:avahi Ipv4ll Stack:/var/lib/avahi-autoipd:/sbin/nologin
Bin:x:1:1:bin:/bin:/sbin/nologin
Daemon:x:2:2:daemon:/sbin:/sbin/nologin

......

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-T:-k3

[Email protected] ~]# sort-t:-k3/etc/passwd
Root:x:0: 0:root:/root:/bin/bash
Uucp:x:14:uucp:/var/spool/uucp:/sbin/nologin
OPERATOR:X:0:operator:/root:/sbin/nologin
Bin:x:1: 1:bin:/bin:/sbin/nologin
Games:x:100:games:/usr/games:/sbin/nologin
GOPHER:X:30:gopher:/var/gopher:/sbin/nologin
Ftp:x:14:FTP User:/var/ftp:/sbin/nologin

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-N

[Email protected] ~]# sort-t:-k3-n/etc/passwd
Root:x:0: 0:root:/root:/bin/bash
Bin:x:1: 1:bin:/bin:/sbin/nologin
Daemon:x:2: 2:daemon:/sbin:/sbin/nologin
ADM:X:3: 4:adm:/var/adm:/sbin/nologin
LP:X:4: 7:lp:/var/spool/lpd:/sbin/nologin
SYNC:X:5: 0:sync:/sbin:/bin/sync
Shutdown:x:6: 0:shutdown:/sbin:/sbin/shutdown

.......

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-T:-kn,n For example 3,5 refers to the 3rd paragraph to the 5th paragraph

[Email protected] ~]# sort-t:-k3,5-n/etc/passwd
Root:x:0:0:root:/root:/bin/bash
Bin:x:1:1:bin:/bin:/sbin/nologin
Daemon:x:2:2:daemon:/sbin:/sbin/nologin
Adm:x:3:4:adm:/var/adm:/sbin/nologin
Lp:x:4:7:lp:/var/spool/lpd:/sbin/nologin

.......

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-R

[Email protected] ~]# Sort-rn 2.txt
7
6
5
4
3
2
2
1
1
Ac
Ab
Aa

A

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-U

[Email protected] ~]# sort-u 2.txt
1
2
3
4
5
6
7
A
Ab
Ac

Aa

/////////////////////////////////////////////////////////////////////////

-un

[Email protected] ~]# Sort-un 2.txt
A
1
2
3
4
5
6
7

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Summary: sort-t:-kn//-N//-R//-U//-un

Shell Getting Started-sort sort