pgrep, pkill 查找或者发信号给进程通过名称和其它属性。 语法 pgrep [-flvx] [-n | -o] [-d delim] [-P ppidlist] [-g pgrplist] [-s sidlist] [-u euidlist] [-U uidlist] [-G gidlist] [-J projidlist] [-t termlist] [-T taskidlist] [-c ctidlist] [-z zoneidlist] [pattern] pkill [-signal] [-fvx] [-n | -o] [-P ppidlist] [-g pgrplist] [-s...