vim中批量删除包含某一字符串的行

情况：在下载的样本信息文本中，有些值是missing，于是想把这些值都删去。

1: G5568.2
Identifiers: BioSample: SAMN03254158; Sample name: G5568.2; SRA: SRS908547
Organism: Zaire ebolavirus
Attributes:
    /isolate="Zaire ebolavirus isolate Ebola virus/H.sapiens-wt/SLE/2014/Makona-G5568.2"
    /strain="missing"
    /collected by="Kenema Government Hospital, Sierra Leone"
    /collection date="2014-09-22"
    /geographic location="Sierra Leone"
    /host="Homo sapiens"
    /host disease="Ebola Virus"
    /isolation source="plasma"
    /latitude and longitude="missing"
    /culture collection="missing"
    /genotype="missing"
    /host age="missing"
    /host description="missing"
    /host disease outcome="missing"
    /host disease stage="missing"
    /host health state="missing"

方法：在vim中的命令模式输入

:g/missing/d

另存为samples_withoutmissing.txt，并退出。

wq ./samples_withoutmissing.txt