1 Operation not permitted 
2 No such file or directory 
3 No such process 
4 Interrupted system call 
5 I/O error 
6 No such device or address 
7 Arg list too long 
8 Exec format error (install ash for shell scripts) 
9 Bad file number 
10 No child processes 
11 Try again 
12 Out of memory 
13 Permission denied 
14 Bad address 
15 Block device required 
16 Device or resource busy 
17 File exists 
18 Cross-device link 
19 No such device 
20 Not a directory 
21 Is a directory 
22 Invalid argument 
23 File table overflow 
24 Too many open files 
25 Not a typewriter 
26 Text file busy 
27 File too large 
28 No space left on device 
29 Illegal seek 
30 Read-only file system 
31 Too many links 
32 Broken pipe 
33 Math argument out of domain of func 
34 Math result not representable 
36 File name too long 
38 Function not implemented 
39 Directory not empty 
40 Too many symbolic links encountered 
61 No data available 
63 Out of streams resources 
84 Illegal byte sequence
88 Socket operation on non-socket 
98 Address already in use 
100 Network is down 
101 Network is unreachable 
105 No buffer space available 
106 Transport endpoint is already connected 
110 Connection timed out 
111 Connection refused 
113 Host not reachable 
115 Operation now in progress 
125 Nameserver not found 
126 Name not found 
127 Bad query format 
128 Query refused 
129 Server error 
