????Linux????????????????翪?????????汾???????????????????????Linux???????????????????????г???????????????????????????????????Linux?????????????Ρ??????о??Щ??????????г????Linux???
????cd?л???
????cd..???????????
????cd.???????
????cd-???????ε???????????ε??????????????
????ls?????????
?????÷???ls[????][???]
??????????
????ls–l????????????????
????ls–a?г????е???????????????????.??????????
????ls–h?????????????????????GB??kB????г???
????ls–al-l??-a???????
????ls????
????stat????????????
?????????????????????С?????????????????ls–l???????
?????÷???stat?????

????stat????
??????β??????????????????????????stat??ls-l
????grep???????/????
?????÷???grep[????]???????????????????????????????????????????
??????????
????-i???????Сд
????-v??????????????????????????????
????-c??????????
????-n???????к?
????????1234??????′???123?????

????grep?????????????
????find???????
?????÷???find[PATH][option][-print]
??????????
????-namefilename#???????filename?????
????-perm#??????????????
????-userusername#???????????????
????-groupgroupname#??????????
????-mtime-n+n#???????????????????????-n?n???????+n?n?????
????-ctime-n+n#???????????????????????-n?n???????+n?n?????
????-size+-n[c]#?鳤???n??[??n???]?????(+-?????С??)
??????1.????tmp???????е?.log????????????

????????tmp???????е?.log???
??????2.??proc???2???????777?????“root”????????????

????????????777?????“root”?????
??????3????tmp???2???????root????????????????

????????????root?????????
??????4.??tmp???2???????????1????????

????????????????1????????
??????5.??tmp???2????????СС??72???????

?????????????СС??72???????
????grep??find?????????grep?????????????find????????????????仰???grep???????????????У?find????????????????????
????PS?????????
??????????????????????Щ???????????к????е?????????????????????????н??????Щ????????????????ps???????????????????????????????????????????????????top????
????-A?????н???????????
????-a????terminal?й?????н???
????-x?????a??????????????г????????????
????-f?????????????????
????ps-T-p<pid>-T????????
????top????????CPU/??????
????Linux?3???????????????????????????и?????????????????(cpu/???)
?????÷???top[????]
??????????
????-d?????????????????????-d5???????????????5??
????-i?????????н??????????
????-nNUM??????′?????????????????-n5?????top????5???????????
????-pPID??????????????ID??PID??????????
????-H-p<pid>??????????????????????

????top????
????top??ps??????????
?????????top??ps????????????????
????????ps?????????????????????????????top?????????????????????ps???????????top????????????????????cpu/???/?????
????kill??killall???????
????kill[??????]PID???????????????????????????-9?????????????
????Killall????????????????????????????н???
??????????PID?28233?????
??????????GameServer?????
????kill??killall??????kill????????PID??killall?????????????
???????????????init????
????init??Linux???????в????????????????ν??init????????????????????????????????init?????????????????????????1?????????????н??????init?????????init?????????????????????
????pwd????????
??????????????????????????
????helpman????????
???????????????????????κβ????Linux??????????????????÷?????
?????÷???
????????--help
????man????

????ls??help???
???????????????????????ò??????????????????????????????????????????????????Щ???顣