b() -- display all variable bindings
显示所有的绑定的变量
e(N) -- repeat the expression in query <N>
f() -- forget all variable bindings
忘记所有已绑定的变量
f(X) -- forget the binding of variable X
忘记变量X的绑定
h() -- history
显示历史
history(N) -- set how many previous commands to keep
设置保留N条之前的历史 控制h()的显示数量
results(N) -- set how many previous command results to keep
catch_exception(B) -- how exceptions are handled
v(N) -- use the value of query <N>
rd(R,D) -- define a record
rf() -- remove all record information
移除所有的记录信息
rf(R) -- remove record information about R
移除R的记录信息
rl() -- display all record information
显示所有的记录信息
rl(R) -- display record information about R
显示R的记录信息
rp(Term) -- display Term using the shell‘s record information
rr(File) -- read record information from File (wildcards allowed)
rr(F,R) -- read selected record information from file(s)
rr(F,R,O) -- read selected record information with options
** commands in module c **
bt(Pid) -- stack backtrace for a process
c(File) -- compile and load code in <File>
编译和加载文件,最新的建议使用erlc
cd(Dir) -- change working directory
改变工作目录
flush() -- flush any messages sent to the shell
help() -- help info
帮助信息
i() -- information about the system
显示系统的信息
ni() -- information about the networked system
显示系统的网络信息
i(X,Y,Z) -- information about pid <X,Y,Z>
关于pid<X,Y,Z>的信息
l(Module) -- load or reload module
加载或重新载入模块
lc([File]) -- compile a list of Erlang modules
ls() -- list files in the current directory
列出当前目录
ls(Dir) -- list files in directory <Dir>
m() -- which modules are loaded
查看已经载入的模块
m(Mod) -- information about module <Mod>
显示模块Mod的信息
memory() -- memory allocation information
已分配的内存信息
memory(T) -- memory allocation information of type <T>
nc(File) -- compile and load code in <File> on all nodes
nl(Module) -- load module on all nodes
pid(X,Y,Z) -- convert X,Y,Z to a Pid
pwd() -- print working directory
打印当前目录
q() -- quit - shorthand for init:stop()
退出.init:stop()的快捷方式
regs() -- information about registered processes
显示所有已注册的进程
nregs() -- information about all registered processes
uptime() -- print node uptime
xm(M) -- cross reference check a module
y(File) -- generate a Yecc parser
** commands in module i (interpreter interface) **
ih() -- print help for the i module
打印i模块的帮助信息