您可以使用以下man内容搜索描述中包含特定字符串的页面：
man -k <string>
例如：
man -k unzip
可能返回：
man -k unzip IO::Uncompress::Bunzip2(3pm) - Read bzip2 files/buffers IO::Uncompress::Gunzip(3pm) - Read RFC 1952 files/buffers IO::Uncompress::Unzip(3pm) - Read zip files/buffers PerlIO::gzip(3pm) - Perl extension to provide a PerlIO layer to gzip/gunzip gzip(1), gunzip(1), zcat(1) - compress or expand files IO::Uncompress::Bunzip2(3pm) - Read bzip2 files/buffers IO::Uncompress::Gunzip(3pm) - Read RFC 1952 files/buffers IO::Uncompress::Unzip(3pm) - Read zip files/buffers PerlIO::gzip(3pm) - Perl extension to provide a PerlIO layer to gzip/gunzip bzip2(1), bunzip2(1) - a block-sorting file compressor, v1.0.6 bzcat - decompresses files to stdout bzip2recover - recovers data from damaged bzip2 files funzip(1) - filter for extracting from a ZIP archive in a pipe unzip(1) - list, test and extract compressed files in a ZIP archive unzipsfx(1) - self-extracting stub for prepending to ZIP archives