Some of the difference between Linux commands

1。 yum provides 和 yum search

　　Find software that provides file, similar to rpm -qf;

　　search is to find the package description or keywords.

 

2. gzip and bzip2

　　For the same file, the size is almost always less than bzip2 compressed gzip compression result of. In some cases, the gap will be very big;

　　Compress the same file, bzip2 than gzip use longer, take up more CPU resources.