???м?Linux????????20??????
???????????? ???????[ 2014/12/10 11:35:10 ] ????????Linux ??????
????11. ????: rm
????‘rm’ ????????? rm ????????????????????
??????????????????
????‘rm’ ??????????????????????????’-rf’??????????
????????: “rm -rf” ?????????????????????????С?????????????????????????’rm -rf’ ???????????????????е????????????????????????????????????????С???
????12. ????: echo
????echo ????????????????????????????????????????shell????shell?????????echo???????????????????????????????У?echo??????????????????????????????????????????????о???????????
?????????С?ν???????
????1. ???????????????????????? ‘interactive_shell.sh‘ (???????? ‘.sh‘?????)??
????2. ???????????????????????????????
??????????????????????????н????
???????: ‘#!/bin/bash‘ ????shell????????????????????????д????仰?????????. ‘read‘ ??????????????
????13. ????: passwd
???????????????????????????????????????????????á???????????????????????????????????
????14. ????: lpr
???????????????????????????????????????????????????
??????? “lpq“?????????????????????????????????????????????е????(???)??????
????15. ????: cmp
?????????????????????????????????????????????????????????? ‘cmp‘??????0????????????????????????????????????λ?á?
??????????????????????
????file1.txt
????file2.txt
???????????????????????????????????
????16. ????: wget
????Wget????????????????????????????????????.???HTTP?? HTTPS?? FTPЭ??? HTTP ?????
???????wget????ffmpeg
????17 ????: mount
????mount ???????????????????????????????????????????????root???????豸??
???????????????????????????”lsblk“????????????豸???????????豸??????????
??????????????????????????????????4GB??U??????“sdb1”??????????????????????root?????????????л???/dev??????????????????????????
????????????κ??????????????ú?????????
?????????“sdb1”??????????“usb”??.
????????????????????/dev/usb???????X??????????????????????
??????????ó??????????Linux?????????????
????18. ????: gcc
????gcc ??Linux??????C?????????????????????????????C????????????????Hello.c ????????????‘.c‘?????????
????????
????????
???????: ????C??????????????????浽??????“a.out”??????????????α???C???? “a.out”???????? ?????????????????????.???????????и?????????????????
?????????????????
????????‘-o‘?????д??‘Hello‘????????? ‘a.out‘??????????Ρ?
????19. ????: g++
????g++??C++??????????????????????????C++????????????????Add.cpp ????????????‘.cpp‘?????????
????????????
???????:????C++??????????????????浽??????“a.out”??????????????α???C++???? “a.out”???????? ?????????????????????.???????????и?????????????????
?????????????????????
????20. ????: java
????Java ??????????ù???????????. ???????????Ч?? ???????????????. ???????????????????????Java???.
???????????′???????????????????????Java????. ??????????????tecmint.java (???: ‘.java’???????????).
??????javac????tecmint.java??????
???????: ???????е?Linux???а涼????gcc???????? ????????а涼?????g++ ?? java ???????? ??Щ????????. ???????apt ?? yum ?????????.
??????
???·???
??????????????????
2023/3/23 14:23:39???д?ò??????????
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