李海锋的博客

bash_history and mysql_history

crontab

1 查找某个目录下的所有的某类型的文件（如script文件）ls | file -f - | grep script

1. 将这几行加入.bashrcif [ -f ~/hisin/rm_to_mv.sh ]; then . ~/hisin/rm_to_mv.sh fi2. rm_to_mv.shalias rm='trash' alias rl='trashlist' alias ur='undelfile' #replave rm with mv file to

unix网络编程中的fd是什么 fd全称是file descriptor,维基百科这样描述： In the traditional implementation of Unix, file descriptors index into a per-process file descriptor table maintained by the kernel, that in turn...

生成和使用数据库ctags cscope文件参考Using Cscope on large projects (example: the Linux kernel) 1. 生成数据库文件：ctags -R --fields=+iaS --extra=+q *mkdir -p ~/.vim/ && ctags --fields=+iaS --extra=+q -R -f ...

getoptgetopt#include <unistd.h>int getopt(int argc, char * const argv[], const char *optstring);extern char *optarg;extern int optind, opterr, optopt;#include <g...