mac下终端的一些命令

mac终端命令当前用户切换到root用户

sudo su -

 1 GNU bash, version 3.2.57(1)-release (x86_64-apple-darwin17)
 2 These shell commands are defined internally.  Type `help' to see this list.
 3 Type `help name' to find out more about the function `name'.
 4 Use `info bash' to find out more about the shell in general.
 5 Use `man -k' or `info' to find out more about commands not in this list.
 6 
 7 A star (*) next to a name means that the command is disabled.
 8 
 9  JOB_SPEC [&]                       (( expression ))
10  . filename [arguments]             :
11  [ arg... ]                         [[ expression ]]
12  alias [-p] [name[=value] ... ]     bg [job_spec ...]
13  bind [-lpvsPVS] [-m keymap] [-f fi break [n]
14  builtin [shell-builtin [arg ...]]  caller [EXPR]
15  case WORD in [PATTERN [| PATTERN]. cd [-L|-P] [dir]
16  command [-pVv] command [arg ...]   compgen [-abcdefgjksuv] [-o option
17  complete [-abcdefgjksuv] [-pr] [-o continue [n]
18  declare [-afFirtx] [-p] [name[=val dirs [-clpv] [+N] [-N]
19  disown [-h] [-ar] [jobspec ...]    echo [-neE] [arg ...]
20  enable [-pnds] [-a] [-f filename]  eval [arg ...]
21  exec [-cl] [-a name] file [redirec exit [n]
22  export [-nf] [name[=value] ...] or false
23  fc [-e ename] [-nlr] [first] [last fg [job_spec]
24  for NAME [in WORDS ... ;] do COMMA for (( exp1; exp2; exp3 )); do COM
25  function NAME { COMMANDS ; } or NA getopts optstring name [arg]
26  hash [-lr] [-p pathname] [-dt] [na help [-s] [pattern ...]
27  history [-c] [-d offset] [n] or hi if COMMANDS; then COMMANDS; [ elif
28  jobs [-lnprs] [jobspec ...] or job kill [-s sigspec | -n signum | -si
29  let arg [arg ...]                  local name[=value] ...
30  logout                             popd [+N | -N] [-n]
31  printf [-v var] format [arguments] pushd [dir | +N | -N] [-n]
32  pwd [-LP]                          read [-ers] [-u fd] [-t timeout] [
33  readonly [-af] [name[=value] ...]  return [n]
34  select NAME [in WORDS ... ;] do CO set [--abefhkmnptuvxBCHP] [-o opti
35  shift [n]                          shopt [-pqsu] [-o long-option] opt
36  source filename [arguments]        suspend [-f]
37  test [expr]                        time [-p] PIPELINE
38  times                              trap [-lp] [arg signal_spec ...]
39  true                               type [-afptP] name [name ...]
40  typeset [-afFirtx] [-p] name[=valu ulimit [-SHacdfilmnpqstuvx] [limit
41  umask [-p] [-S] [mode]             unalias [-a] name [name ...]
42  unset [-f] [-v] [name ...]         until COMMANDS; do COMMANDS; done
43  variables - Some variable names an wait [n]
44  while COMMANDS; do COMMANDS; done  { COMMANDS ; }

help命令

posted on 2019-10-15 15:23 进击的许盈盈阅读(328) 评论(0) 收藏举报