Appearance
bash
cut -d "分隔符" -f "截取的域" 文件名如果想要同时截取两个域，在两个域中间加逗号
bash
$ grep -n cyan /etc/passwd
27:cyan:x:1000:1000:,,,:/home/cyan:/usr/bin/fish
$ grep -n cyan /etc/passwd | cut -d ":" -f "1"
$ grep -n cyan /etc/passwd | cut -d: -f1 # 效果一样
27
$ grep -n cyan /etc/passwd | cut -d ":" -f "2","3"
cyan:x
$ grep -n cyan /etc/passwd | cut -d ":" -f "2-5"
cyan:x:1000:1000