{"id":1211,"date":"2019-04-29T09:51:05","date_gmt":"2019-04-29T01:51:05","guid":{"rendered":"https:\/\/blog.jsjs.org\/?p=1211"},"modified":"2019-04-29T09:51:05","modified_gmt":"2019-04-29T01:51:05","slug":"shell%e8%84%9a%e6%9c%ac%e4%b8%ad0%e3%80%81%e3%80%81%e3%80%81%e3%80%81%e3%80%81%e3%80%81%e7%ad%89%e7%9a%84%e6%84%8f%e4%b9%89%e4%bb%a5%e5%8f%8alinux%e5%91%bd%e4%bb%a4%e6%89%a7%e8%a1%8c","status":"publish","type":"post","link":"https:\/\/blog.jsjs.org\/?p=1211","title":{"rendered":"Shell\u811a\u672c\u4e2d$0\u3001$?\u3001$!\u3001$$\u3001$*\u3001$#\u3001$@\u7b49\u7684\u610f\u4e49\u4ee5\u53calinux\u547d\u4ee4\u6267\u884c\u8fd4\u56de\u503c\u4ee3\u8868\u610f\u4e49"},"content":{"rendered":"
Shell\u811a\u672c\u4e2d$0\u3001$?\u3001$!\u3001$$\u3001$*\u3001$#\u3001$@\u7b49\u7684\u610f\u4e49\u4ee5\u53calinux\u547d\u4ee4\u6267\u884c\u8fd4\u56de\u503c\u610f\u4e49<\/div>\n
<\/div>\n

(1) Shell\u811a\u672c\u4e2d$0\u3001$?\u3001$!\u3001$$\u3001$*\u3001$#\u3001$@\u7b49\u7684\u610f\u4e49\u8bf4\u660e<\/h3>\n
1.1\u3001\u7b80\u8981\u8bf4\u660e<\/strong><\/div>\n
ps\uff1a \u4f60\u5728Linux\u73af\u5883\u4e0b\u591a\u8bd5\u4e0b\u5c31\u660e\u767d\u4e86<\/div>\n
$$<\/div>\n
Shell\u672c\u8eab\u7684PID\uff08ProcessID\uff0c\u5373\u811a\u672c\u8fd0\u884c\u7684\u5f53\u524d\u8fdb\u7a0bID<\/a>\u53f7\uff09<\/div>\n
$!<\/div>\n
Shell\u6700\u540e\u8fd0\u884c\u7684\u540e\u53f0Process\u7684PID(\u540e\u53f0\u8fd0\u884c\u7684\u6700\u540e\u4e00\u4e2a\u8fdb\u7a0b\u7684\u8fdb\u7a0bID<\/a>\u53f7)<\/div>\n
$?<\/div>\n
\u6700\u540e\u8fd0\u884c\u7684\u547d\u4ee4\u7684\u7ed3\u675f\u4ee3\u7801\uff08\u8fd4\u56de\u503c\uff09\u5373\u6267\u884c\u4e0a\u4e00\u4e2a\u6307\u4ee4\u7684\u8fd4\u56de\u503c (\u663e\u793a\u6700\u540e\u547d\u4ee4\u7684\u9000\u51fa\u72b6\u6001\u30020\u8868\u793a\u6ca1\u6709\u9519\u8bef\uff0c\u5176\u4ed6\u4efb\u4f55\u503c\u8868\u660e\u6709\u9519\u8bef)<\/div>\n
$-<\/div>\n
\u663e\u793ashell\u4f7f\u7528\u7684\u5f53\u524d\u9009\u9879\uff0c\u4e0eset\u547d\u4ee4\u529f\u80fd\u76f8\u540c<\/div>\n
$*<\/div>\n
\u6240\u6709\u53c2\u6570\u5217\u8868\u3002\u5982”$*”\u7528\u300c”\u300d\u62ec\u8d77\u6765\u7684\u60c5\u51b5\u3001\u4ee5”$1 $2 \u2026 $n”\u7684\u5f62\u5f0f\u8f93\u51fa\u6240\u6709\u53c2\u6570\uff0c\u6b64\u9009\u9879\u53c2\u6570\u53ef\u8d85\u8fc79\u4e2a\u3002<\/div>\n
$@<\/div>\n
\u6240\u6709\u53c2\u6570\u5217\u8868\u3002\u5982”$@”\u7528\u300c”\u300d\u62ec\u8d77\u6765\u7684\u60c5\u51b5\u3001\u4ee5”$1″ “$2” \u2026 “$n” \u7684\u5f62\u5f0f\u8f93\u51fa\u6240\u6709\u53c2\u6570\u3002<\/div>\n
$@ \u8ddf$*\u7c7b\u4f3c\uff0c\u4f46\u662f\u53ef\u4ee5\u5f53\u4f5c\u6570\u7ec4\u7528<\/div>\n
$#<\/div>\n
\u6dfb\u52a0\u5230Shell\u7684\u53c2\u6570\u4e2a\u6570<\/div>\n
$0<\/div>\n
Shell\u672c\u8eab\u7684\u6587\u4ef6\u540d<\/div>\n
$1\uff5e$n<\/div>\n
\u6dfb\u52a0\u5230Shell\u7684\u5404\u53c2\u6570\u503c\u3002$1\u662f\u7b2c1\u53c2\u6570\u3001$2\u662f\u7b2c2\u53c2\u6570\u2026\u3002<\/div>\n
<\/div>\n
1.2\u3001\u811a\u672c\u4e3e\u4f8b<\/strong><\/div>\n
<\/div>\n
\u6211\u4eec\u5148\u5199\u4e00\u4e2a\u7b80\u5355\u7684\u811a\u672c\uff0c\u6267\u884c\u4ee5\u540e\u518d\u89e3\u91ca\u5404\u4e2a\u53d8\u91cf\u7684\u610f\u4e49<\/div>\n
# touch variable<\/div>\n
# vi variable<\/div>\n
\u811a\u672c\u5185\u5bb9\u5982\u4e0b\uff1a<\/div>\n
#!\/bin\/sh<\/div>\n
echo “number:$#”<\/div>\n
echo “scname:$0”<\/div>\n
echo “first :$1”<\/div>\n
echo “second:$2”<\/div>\n
echo “argume:$@”<\/div>\n
\u4fdd\u5b58\u9000\u51fa<\/div>\n
\u8d4b\u4e88\u811a\u672c\u6267\u884c\u6743\u9650<\/div>\n
# chmod +x variable<\/div>\n
\u6267\u884c\u811a\u672c<\/div>\n
# .\/variable aa bb<\/div>\n
number:2<\/div>\n
scname:.\/variable<\/div>\n
first: aa<\/div>\n
second:bb<\/div>\n
argume:aa bb<\/div>\n
<\/div>\n
\u7ed3\u679c\u5206\u6790<\/div>\n
<\/div>\n
\u901a\u8fc7\u663e\u793a\u7ed3\u679c\u53ef\u4ee5\u770b\u5230\uff1a<\/div>\n
$# \u662f\u4f20\u7ed9\u811a\u672c\u7684\u53c2\u6570\u4e2a\u6570<\/div>\n
$0 \u662f\u811a\u672c\u672c\u8eab\u7684\u540d\u5b57<\/div>\n
$1\u662f\u4f20\u9012\u7ed9\u8be5shell\u811a\u672c\u7684\u7b2c\u4e00\u4e2a\u53c2\u6570<\/div>\n
$2\u662f\u4f20\u9012\u7ed9\u8be5shell\u811a\u672c\u7684\u7b2c\u4e8c\u4e2a\u53c2\u6570<\/div>\n
$@ \u662f\u4f20\u7ed9\u811a\u672c\u7684\u6240\u6709\u53c2\u6570\u7684\u5217\u8868<\/div>\n
<\/div>\n
\u53c2\u8003\uff1a\u00a0https:\/\/blog.csdn.net\/slovyz\/article\/details\/47400107<\/a><\/div>\n
<\/div>\n
(2) linux\u547d\u4ee4\u6267\u884c\u8fd4\u56de\u503c\u8bf4\u660e<\/strong><\/div>\n
<\/div>\n
\u5728 Linux \u4e0b\uff0c\u4e0d\u7ba1\u4f60\u662f\u542f\u52a8\u4e00\u4e2a\u684c\u9762\u7a0b\u5e8f\u4e5f\u597d\uff0c\u8fd8\u662f\u5728\u63a7\u5236\u53f0\u4e0b\u8fd0\u884c\u547d\u4ee4\uff0c\u6240\u6709\u7684\u7a0b\u5e8f\u5728\u7ed3\u675f\u65f6\uff0c\u90fd\u4f1a\u8fd4\u56de\u4e00\u4e2a\u6570\u5b57\u503c\uff0c\u8fd9\u4e2a\u503c\u53eb\u505a\u8fd4\u56de\u503c\uff0c\u6216\u8005\u79f0\u4e3a\u9519\u8bef\u53f7 ( Error Number )\u3002<\/div>\n
<\/div>\n
2.1\u3001\u5728\u63a7\u5236\u53f0\u4e0b\uff0c\u6709\u4e00\u4e2a\u7279\u6b8a\u7684\u73af\u5883\u53d8\u91cf\u00a0$?\uff0c\u4fdd\u5b58\u7740\u524d\u4e00\u4e2a\u7a0b\u5e8f\u7684\u8fd4\u56de\u503c\uff0c\u6211\u4eec\u53ef\u4ee5\u8bd5\u8bd5\uff1a<\/div>\n
$ ls *.png<\/div>\n
Diagram1.png\u00a0\u00a0eqn.png\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0peazip.png<\/div>\n
eqn4.png\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Mandelbrot.png\u00a0\u00a0x2.png<\/div>\n
$\u00a0echo $?<\/div>\n
0<\/div>\n
\u5148\u968f\u4fbf\u6267\u884c\u4e2a\u547d\u4ee4\uff0c\u6bd4\u5982\u50cf\u4e0a\u9762\u7684 ls \u67d0\u4e9b\u6587\u4ef6\uff0c\u7136\u540e\u901a\u8fc7 echo $?\uff0c\u6253\u5370 $? \u7684\u503c\uff5e<\/div>\n
\u6211\u4eec\u53d1\u73b0\u8fd4\u56de\u503c\u662f 0\uff0c\u8fd9\u662f\u4ec0\u4e48\u610f\u601d\u5462\uff1f<\/div>\n
\u53ea\u8981\u8fd4\u56de\u503c\u662f 0\uff0c\u5c31\u4ee3\u8868\u7a0b\u5e8f\u6267\u884c\u6210\u529f\u4e86\uff5e<\/div>\n
\u4e5f\u5c31\u662f\u8bf4\uff0c\u5982\u679c $? \u53d8\u91cf\u7684\u503c\u4e0d\u662f 0 \u7684\u8bdd\uff0c\u5c31\u8868\u793a\u4e0a\u4e00\u4e2a\u547d\u4ee4\u5728\u6267\u884c\u7684\u8fc7\u7a0b\u4e2d\u51fa\u9519\u4e86\u3002<\/div>\n
<\/div>\n
2.2\u3001\u6211\u4eec\u53ef\u4ee5\u8bd5\u7740 ls \u4e00\u4e2a\u4e0d\u5b58\u5728\u7684\u6587\u4ef6\uff1a<\/div>\n
$ ls linuxgem<\/div>\n
ls: \u65e0\u6cd5\u8bbf\u95ee linuxgem: \u6ca1\u6709\u90a3\u4e2a\u6587\u4ef6\u6216\u76ee\u5f55<\/div>\n
$ echo $?<\/div>\n
2<\/div>\n
\u8fd9\u6837\uff0c\u5bf9\u4e8e\u67d0\u4e9b\u6253\u5370\u51fa\u4e00\u5806\u4e0d\u719f\u6089\u7684\u82f1\u6587\u4fe1\u606f\u7684\u547d\u4ee4\uff0c\u53ef\u4ee5\u65b9\u4fbf\u7684\u770b\u51fa\u5b83\u662f\u5426\u6210\u529f\u6267\u884c\u7ed3\u675f\u3002<\/div>\n
\u4e0d\u8fc7\uff0c\u6bcf\u6b21\u90fd echo $? \u4e00\u4e0b\u592a\u7d2f\u4e86\uff0c\u6ca1\u5173\u7cfb\uff0c\u4f60\u53ef\u4ee5\u628a $? \u653e\u5728\u63d0\u793a\u7b26\u91cc\u53bb\uff1a<\/div>\n
<\/div>\n
2.3\u3001\u5c06\u4e0a\u6b21\u547d\u4ee4\u6267\u884c\u662f\u5426\u6210\u529f\u7684\u8fd4\u56de\u503c\u653e\u5230\u63d0\u793a\u7b26\u91cc\u9762\u53bb\uff1aexport PS1=”[\\$?]${PS1}”<\/div>\n
<\/div>\n
\n
tom@localhost ~ $ export PS1=\"[\\$?]${PS1}<\/span>\"<\/span>\n[0<\/span>]tom@localhost ~ $<\/code><\/pre>\n<\/div>\n
export PS1=”[\\$?]${PS1}”\u00a0\u00a0\u8fd9\u4e2a\u547d\u4ee4\u628a $? \u7684\u503c\u653e\u5728\u7684\u63d0\u793a\u7b26\u7684\u6700\u524d\u9762\uff0c\u8fd9\u6837\u6bcf\u6b21\u6267\u884c\u5b8c\u547d\u4ee4\uff0c\u8fd9\u4e2a\u503c\u90fd\u4f1a\u81ea\u52a8\u66f4\u65b0\uff0c\u8fd9\u4e0b\u5c31\u4e00\u76ee\u4e86\u7136\u4e86\uff5e<\/div>\n
<\/div>\n
2.3\u3001\u7528perror\u67e5\u770b\u9519\u8bef\u63d0\u793a<\/div>\n
<\/div>\n
\u90a3\u4e48\u5982\u679c\u8fd4\u56de\u7684\u503c\u4e0d\u662f 0\uff0c\u6211\u4eec\u8981\u600e\u4e48\u77e5\u9053\u662f\u90a3\u91cc\u51fa\u9519\u4e86\u5462\uff1f \u5927\u591a\u6570\u7684\u7a0b\u5e8f\u51fa\u9519\u90fd\u4f1a\u7ed9\u51fa\u63d0\u793a\uff0c\u5982\u679c\u6ca1\u6709\u63d0\u793a\u7684\u8bdd\uff0c\u53ef\u4ee5\u7528\u00a0perror\u00a0\u8fd9\u4e2a\u7a0b\u5e8f\u6765\u67e5\u770b\u9519\u8bef\u7684\u4fe1\u606f\uff0c\u6bd4\u5982\u8fd4\u56de\u503c\u662f 2\uff0c\u6211\u4eec\u53ef\u4ee5\u8fd0\u884c\uff1a<\/div>\n
$ perror 2<\/div>\n
OS error code\u00a0\u00a0\u00a02:\u00a0\u00a0No such file or directory<\/div>\n
\u8fd9\u6837\u5c31\u6e05\u695a\u4e86\uff0c\u539f\u6765\u662f\u6587\u4ef6\u4e0d\u5b58\u5728\uff5e<\/div>\n
<\/div>\n
2.4\u3001\u7ed9\u51fa\u9519\u8bef\u4ee3\u7801\u53ca\u5176\u5177\u4f53\u539f\u56e0\u5bf9\u7167\u8868\uff1a<\/strong><\/div>\n
\n
\"OS error code   1:  Operation not permitted\"\n\"OS error code   2:  No such file or directory\"\n\"OS error code   3:  No such process\"\n\"OS error code   4:  Interrupted system call<\/span>\"\n\"<\/span>OS error<\/span> code   5<\/span>:  Input<\/span>\/output<\/span> error<\/span>\"\n\"<\/span>OS error<\/span> code   6<\/span>:  No<\/span> such device or<\/span> address\"\n\"<\/span>OS error<\/span> code   7<\/span>:  Argument list<\/span> too long<\/span>\"\n\"<\/span>OS error<\/span> code   8<\/span>:  Exec format<\/span> error<\/span>\"\n\"<\/span>OS error<\/span> code   9<\/span>:  Bad file<\/span> descriptor<\/span>\"\n\"<\/span>OS error<\/span> code  10<\/span>:  No<\/span> child<\/span> processes\"\n\"<\/span>OS error<\/span> code  11<\/span>:  Resource<\/span> temporarily unavailable\"\n\"<\/span>OS error<\/span> code  12<\/span>:  Cannot allocate<\/span> memory<\/span>\"\n\"<\/span>OS error<\/span> code  13<\/span>:  Permission denied\"\n\"<\/span>OS error<\/span> code  14<\/span>:  Bad address\"\n\"<\/span>OS error<\/span> code  15<\/span>:  Block<\/span> device required<\/span>\"\n\"<\/span>OS error<\/span> code  16<\/span>:  Device or<\/span> resource<\/span> busy\"\n\"<\/span>OS error<\/span> code  17<\/span>:  File<\/span> exists<\/span>\"\n\"<\/span>OS error<\/span> code  18<\/span>:  Invalid cross<\/span>-device link<\/span>\"\n\"<\/span>OS error<\/span> code  19<\/span>:  No<\/span> such device\"\n\"<\/span>OS error<\/span> code  20<\/span>:  Not<\/span> a directory<\/span>\"\n\"<\/span>OS error<\/span> code  21<\/span>:  Is<\/span> a directory<\/span>\"\n\"<\/span>OS error<\/span> code  22<\/span>:  Invalid argument\"\n\"<\/span>OS error<\/span> code  23<\/span>:  Too many open<\/span> files in<\/span> system<\/span>\"\n\"<\/span>OS error<\/span> code  24<\/span>:  Too many open<\/span> files\"\n\"<\/span>OS error<\/span> code  25<\/span>:  Inappropriate ioctl for<\/span> device\"\n\"<\/span>OS error<\/span> code  26<\/span>:  Text<\/span> file<\/span> busy\"\n\"<\/span>OS error<\/span> code  27<\/span>:  File<\/span> too large<\/span>\"\n\"<\/span>OS error<\/span> code  28<\/span>:  No<\/span> space<\/span> left<\/span> on<\/span> device\"\n\"<\/span>OS error<\/span> code  29<\/span>:  Illegal seek\"\n\"<\/span>OS error<\/span> code  30<\/span>:  Read<\/span>-only<\/span> file<\/span> system<\/span>\"\n\"<\/span>OS error<\/span> code  31<\/span>:  Too many links\"\n\"<\/span>OS error<\/span> code  32<\/span>:  Broken pipe<\/span>\"\n\"<\/span>OS error<\/span> code  33<\/span>:  Numerical argument out<\/span> of<\/span> domain<\/span>\"\n\"<\/span>OS error<\/span> code  34<\/span>:  Numerical result<\/span> out<\/span> of<\/span> range<\/span>\"\n\"<\/span>OS error<\/span> code  35<\/span>:  Resource<\/span> deadlock avoided\"\n\"<\/span>OS error<\/span> code  36<\/span>:  File<\/span> name<\/span> too long<\/span>\"\n\"<\/span>OS error<\/span> code  37<\/span>:  No<\/span> locks available\"\n\"<\/span>OS error<\/span> code  38<\/span>:  Function<\/span> not<\/span> implemented\"\n\"<\/span>OS error<\/span> code  39<\/span>:  Directory<\/span> not<\/span> empty<\/span>\"\n\"<\/span>OS error<\/span> code  40<\/span>:  Too many levels<\/span> of<\/span> symbolic links\"\n\"<\/span>OS error<\/span> code  42<\/span>:  No<\/span> message of<\/span> desired type<\/span>\"\n\"<\/span>OS error<\/span> code  43<\/span>:  Identifier removed\"\n\"<\/span>OS error<\/span> code  44<\/span>:  Channel number<\/span> out<\/span> of<\/span> range<\/span>\"\n\"<\/span>OS error<\/span> code  45<\/span>:  Level<\/span> 2<\/span> not<\/span> synchronized\"\n\"<\/span>OS error<\/span> code  46<\/span>:  Level<\/span> 3<\/span> halted\"\n\"<\/span>OS error<\/span> code  47<\/span>:  Level<\/span> 3<\/span> reset<\/span>\"\n\"<\/span>OS error<\/span> code  48<\/span>:  Link<\/span> number<\/span> out<\/span> of<\/span> range<\/span>\"\n\"<\/span>OS error<\/span> code  49<\/span>:  Protocol driver not<\/span> attached\"\n\"<\/span>OS error<\/span> code  50<\/span>:  No<\/span> CSI structure available\"\n\"<\/span>OS error<\/span> code  51<\/span>:  Level<\/span> 2<\/span> halted\"\n\"<\/span>OS error<\/span> code  52<\/span>:  Invalid exchange<\/span>\"\n\"<\/span>OS error<\/span> code  53<\/span>:  Invalid request descriptor<\/span>\"\n\"<\/span>OS error<\/span> code  54<\/span>:  Exchange<\/span> full<\/span>\"\n\"<\/span>OS error<\/span> code  55<\/span>:  No<\/span> anode\"\n\"<\/span>OS error<\/span> code  56<\/span>:  Invalid request code\"\n\"<\/span>OS error<\/span> code  57<\/span>:  Invalid slot\"\n\"<\/span>OS error<\/span> code  59<\/span>:  Bad font file<\/span> format<\/span>\"\n\"<\/span>OS error<\/span> code  60<\/span>:  Device not<\/span> a stream\"\n\"<\/span>OS error<\/span> code  61<\/span>:  No<\/span> data<\/span> available\"\n\"<\/span>OS error<\/span> code  62<\/span>:  Timer expired\"\n\"<\/span>OS error<\/span> code  63<\/span>:  Out<\/span> of<\/span> streams resources\"\n\"<\/span>OS error<\/span> code  64<\/span>:  Machine is<\/span> not<\/span> on<\/span> the network\"\n\"<\/span>OS error<\/span> code  65<\/span>:  Package<\/span> not<\/span> installed\"\n\"<\/span>OS error<\/span> code  66<\/span>:  Object<\/span> is<\/span> remote\"\n\"<\/span>OS error<\/span> code  67<\/span>:  Link<\/span> has been severed\"\n\"<\/span>OS error<\/span> code  68<\/span>:  Advertise error<\/span>\"\n\"<\/span>OS error<\/span> code  69<\/span>:  Srmount error<\/span>\"\n\"<\/span>OS error<\/span> code  70<\/span>:  Communication error<\/span> on<\/span> send\"\n\"<\/span>OS error<\/span> code  71<\/span>:  Protocol error<\/span>\"\n\"<\/span>OS error<\/span> code  72<\/span>:  Multihop attempted\"\n\"<\/span>OS error<\/span> code  73<\/span>:  RFS specific error<\/span>\"\n\"<\/span>OS error<\/span> code  74<\/span>:  Bad message\"\n\"<\/span>OS error<\/span> code  75<\/span>:  Value<\/span> too large<\/span> for<\/span> defined data<\/span> type<\/span>\"\n\"<\/span>OS error<\/span> code  76<\/span>:  Name<\/span> not<\/span> unique<\/span> on<\/span> network\"\n\"<\/span>OS error<\/span> code  77<\/span>:  File<\/span> descriptor<\/span> in<\/span> bad state\"\n\"<\/span>OS error<\/span> code  78<\/span>:  Remote address changed<\/span>\"\n\"<\/span>OS error<\/span> code  79<\/span>:  Can not<\/span> access<\/span> a needed shared<\/span> library<\/span>\"\n\"<\/span>OS error<\/span> code  80<\/span>:  Accessing a corrupted shared<\/span> library<\/span>\"\n\"<\/span>OS error<\/span> code  81<\/span>:  .lib section<\/span> in<\/span> a.out corrupted\"\n\"<\/span>OS error<\/span> code  82<\/span>:  Attempting to<\/span> link<\/span> in<\/span> too many shared<\/span> libraries\"\n\"<\/span>OS error<\/span> code  83<\/span>:  Cannot exec a shared<\/span> library<\/span> directly\"\n\"<\/span>OS error<\/span> code  84<\/span>:  Invalid or<\/span> incomplete multibyte or<\/span> wide character<\/span>\"\n\"<\/span>OS error<\/span> code  85<\/span>:  Interrupted system<\/span> call<\/span> should be restarted\"\n\"<\/span>OS error<\/span> code  86<\/span>:  Streams pipe<\/span> error<\/span>\"\n\"<\/span>OS error<\/span> code  87<\/span>:  Too many users<\/span>\"\n\"<\/span>OS error<\/span> code  88<\/span>:  Socket operation on<\/span> non-socket\"\n\"<\/span>OS error<\/span> code  89<\/span>:  Destination address required<\/span>\"\n\"<\/span>OS error<\/span> code  90<\/span>:  Message too long<\/span>\"\n\"<\/span>OS error<\/span> code  91<\/span>:  Protocol wrong type<\/span> for<\/span> socket\"\n\"<\/span>OS error<\/span> code  92<\/span>:  Protocol not<\/span> available\"\n\"<\/span>OS error<\/span> code  93<\/span>:  Protocol not<\/span> supported\"\n\"<\/span>OS error<\/span> code  94<\/span>:  Socket type<\/span> not<\/span> supported\"\n\"<\/span>OS error<\/span> code  95<\/span>:  Operation not<\/span> supported\"\n\"<\/span>OS error<\/span> code  96<\/span>:  Protocol family not<\/span> supported\"\n\"<\/span>OS error<\/span> code  97<\/span>:  Address family not<\/span> supported by<\/span> protocol\"\n\"<\/span>OS error<\/span> code  98<\/span>:  Address already in<\/span> use<\/span>\"\n\"<\/span>OS error<\/span> code  99<\/span>:  Cannot assign requested address\"\n\"<\/span>OS error<\/span> code 100<\/span>:  Network is<\/span> down\"\n\"<\/span>OS error<\/span> code 101<\/span>:  Network is<\/span> unreachable\"\n\"<\/span>OS error<\/span> code 102<\/span>:  Network dropped connection<\/span> on<\/span> reset<\/span>\"\n\"<\/span>OS error<\/span> code 103<\/span>:  Software caused connection<\/span> abort<\/span>\"\n\"<\/span>OS error<\/span> code 104<\/span>:  Connection<\/span> reset<\/span> by<\/span> peer\"\n\"<\/span>OS error<\/span> code 105<\/span>:  No<\/span> buffer space<\/span> available\"\n\"<\/span>OS error<\/span> code 106<\/span>:  Transport endpoint is<\/span> already connected\"\n\"<\/span>OS error<\/span> code 107<\/span>:  Transport endpoint is<\/span> not<\/span> connected\"\n\"<\/span>OS error<\/span> code 108<\/span>:  Cannot send after<\/span> transport endpoint shutdown<\/span>\"\n\"<\/span>OS error<\/span> code 109<\/span>:  Too many references<\/span>: cannot splice\"\n\"<\/span>OS error<\/span> code 110<\/span>:  Connection<\/span> timed out<\/span>\"\n\"<\/span>OS error<\/span> code 111<\/span>:  Connection<\/span> refused\"\n\"<\/span>OS error<\/span> code 112<\/span>:  Host is<\/span> down\"\n\"<\/span>OS error<\/span> code 113<\/span>:  No<\/span> route to<\/span> host\"\n\"<\/span>OS error<\/span> code 114<\/span>:  Operation already in<\/span> progress\"\n\"<\/span>OS error<\/span> code 115<\/span>:  Operation now<\/span> in<\/span> progress\"\n\"<\/span>OS error<\/span> code 116<\/span>:  Stale NFS file<\/span> handle\"\n\"<\/span>OS error<\/span> code 117<\/span>:  Structure needs cleaning\"\n\"<\/span>OS error<\/span> code 118<\/span>:  Not<\/span> a XENIX named type<\/span> file<\/span>\"\n\"<\/span>OS error<\/span> code 119<\/span>:  No<\/span> XENIX semaphores available\"\n\"<\/span>OS error<\/span> code 120<\/span>:  Is<\/span> a named type<\/span> file<\/span>\"\n\"<\/span>OS error<\/span> code 121<\/span>:  Remote I\/O error<\/span>\"\n\"<\/span>OS error<\/span> code 122<\/span>:  Disk quota<\/span> exceeded\"\n\"<\/span>OS error<\/span> code 123<\/span>:  No<\/span> medium<\/span> found<\/span>\"\n\"<\/span>OS error<\/span> code 124<\/span>:  Wrong medium<\/span> type<\/span>\"\n\"<\/span>OS error<\/span> code 125<\/span>:  Operation canceled\"\n\"<\/span>OS error<\/span> code 126<\/span>:  Required<\/span> key<\/span> not<\/span> available\"\n\"<\/span>OS error<\/span> code 127<\/span>:  Key<\/span> has expired\"\n\"<\/span>OS error<\/span> code 128<\/span>:  Key<\/span> has been revoked\"\n\"<\/span>OS error<\/span> code 129<\/span>:  Key<\/span> was rejected by<\/span> service\"\n\"<\/span>OS error<\/span> code 130<\/span>:  Owner died\"\n\"<\/span>OS error<\/span> code 131<\/span>:  State not<\/span> recoverable\"\n\"<\/span>MySQL error<\/span> code 132<\/span>: Old<\/span> database<\/span> file<\/span>\"\n\"<\/span>MySQL error<\/span> code 133<\/span>: No<\/span> record<\/span> read<\/span> before<\/span> update<\/span>\"\n\"<\/span>MySQL error<\/span> code 134<\/span>: Record<\/span> was already deleted (or<\/span> record<\/span> file<\/span> crashed)\"\n\"<\/span>MySQL error<\/span> code 135<\/span>: No<\/span> more room in<\/span> record<\/span> file<\/span>\"\n\"<\/span>MySQL error<\/span> code 136<\/span>: No<\/span> more room in<\/span> index<\/span> file<\/span>\"\n\"<\/span>MySQL error<\/span> code 137<\/span>: No<\/span> more records<\/span> (read<\/span> after<\/span> end<\/span> of<\/span> file<\/span>)\"\n\"<\/span>MySQL error<\/span> code 138<\/span>: Unsupported extension used for<\/span> table<\/span>\"\n\"<\/span>MySQL error<\/span> code 139<\/span>: Too big<\/span> row<\/span>\"\n\"<\/span>MySQL error<\/span> code 140<\/span>: Wrong create<\/span> options\"\n\"<\/span>MySQL error<\/span> code 141<\/span>: Duplicate<\/span> unique<\/span> key<\/span> or<\/span> constraint<\/span> on<\/span> write or<\/span> update<\/span>\"\n\"<\/span>MySQL error<\/span> code 142<\/span>: Unknown<\/span> character<\/span> set<\/span> used\"\n\"<\/span>MySQL error<\/span> code 143<\/span>: Conflicting table<\/span> definitions in<\/span> sub-tables<\/span> of<\/span> MERGE<\/span> table<\/span>\"\n\"<\/span>MySQL error<\/span> code 144<\/span>: Table<\/span> is<\/span> crashed and<\/span> last<\/span> repair<\/span> failed<\/span>\"\n\"<\/span>MySQL error<\/span> code 145<\/span>: Table<\/span> was marked as<\/span> crashed and<\/span> should be repaired\"\n\"<\/span>MySQL error<\/span> code 146<\/span>: Lock<\/span> timed out<\/span>; Retry transaction\"\n\"MySQL error code 147: Lock<\/span> table<\/span> is<\/span> full<\/span>;  Restart program with a larger locktable\"\n\"MySQL error code 148: Updates are not allowed under a read only transactions\"\n\"MySQL error code 149: Lock<\/span> deadlock; Retry transaction\"\n\"MySQL error code 150: Foreign key constraint is incorrectly formed\"\n\"MySQL error code 151: Cannot add a child row\"\n\"MySQL error code 152: Cannot delete<\/span> a parent<\/span> row<\/span>\"<\/span><\/code><\/pre>\n<\/div>\n
\u53c2\u8003\uff1ahttps:\/\/blog.csdn.net\/u012359618\/article\/details\/51442966<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"
Shell\u811a\u672c\u4e2d$0\u3001$?\u3001$!\u3001$$\u3001$*\u3001$#\u3001$@\u7b49\u7684\u610f\u4e49\u4ee5\u53calinux\u547d\u4ee4\u6267\u884c\u8fd4\u56de\u503c\u610f\u4e49 (1) Shell\u811a\u672c\u4e2d$0\u3001$?\u3001$!\u3001$$\u3001$*\u3001$#\u3001$@\u7b49\u7684\u610f\u4e49\u8bf4\u660e 1.1\u3001\u7b80\u8981\u8bf4\u660e ps\uff1a \u4f60\u5728Linux\u73af\u5883\u4e0b\u591a\u8bd5\u4e0b\u5c31\u660e\u767d\u4e86 $$ Shell\u672c\u8eab\u7684PID\uff08ProcessID\uff0c\u5373\u811a\u672c\u8fd0\u884c\u7684\u5f53\u524d\u8fdb\u7a0bID\u53f7\uff09 $! Shell\u6700\u540e\u8fd0\u884c\u7684\u540e\u53f0Process\u7684PID(\u540e\u53f0\u8fd0\u884c\u7684\u6700\u540e\u4e00\u4e2a\u8fdb\u7a0b\u7684\u8fdb\u7a0bID\u53f7) $? \u6700\u540e\u8fd0\u884c\u7684\u547d\u4ee4\u7684\u7ed3\u675f\u4ee3\u7801\uff08\u8fd4\u56de\u503c\uff09\u5373\u6267\u884c\u4e0a\u4e00\u4e2a\u6307\u4ee4\u7684\u8fd4\u56de\u503c (\u663e\u793a\u6700\u540e\u547d\u4ee4\u7684\u9000\u51fa\u72b6\u6001\u30020\u8868\u793a\u6ca1\u6709\u9519\u8bef\uff0c\u5176\u4ed6\u4efb\u4f55\u503c\u8868\u660e\u6709\u9519\u8bef) $- \u663e\u793ashell\u4f7f\u7528\u7684\u5f53\u524d\u9009\u9879\uff0c\u4e0eset\u547d\u4ee4\u529f\u80fd\u76f8\u540c $* \u6240\u6709\u53c2\u6570\u5217\u8868\u3002\u5982”$*”\u7528\u300c”\u300d\u62ec\u8d77\u6765\u7684\u60c5\u51b5\u3001\u4ee5”$1 $2 \u2026 $n”\u7684\u5f62\u5f0f\u8f93\u51fa\u6240\u6709\u53c2\u6570\uff0c\u6b64\u9009\u9879\u53c2\u6570\u53ef\u8d85\u8fc79\u4e2a\u3002 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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