[root@192 weijie]# cat 1.c                    //显示内容

hello world

i am david

love linux

this code

nihao ed

[root@192 weijie]#colrm 5 < 1.c            //删除第5列之后

hell

i am

love

this

niha

[root@192 weijie]# colrm 5 9 < 1.c          //删除5~9列

hellld

i amd

lovex

this

niha

[root@192 weijie]# colrm < 1.c             //不指定列，显示所有的

hello world

i am david

love linux

this code

nihao ed