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              --rr     Restrict output to running jobs.              --ss     Restrict output to stopped jobs.              If _j_o_b_s_p_e_c is given, output is restricted to  information  about              that  job.   The  return status is 0 unless an invalid option is              encountered or an invalid _j_o_b_s_p_e_c is supplied.              If the --xx option is supplied, jjoobbss replaces any _j_o_b_s_p_e_c found in              _c_o_m_m_a_n_d  or  _a_r_g_s  with  the corresponding process group ID, and              executes _c_o_m_m_a_n_d passing it _a_r_g_s, returning its exit status.       kkiillll [--ss _s_i_g_s_p_e_c | --nn _s_i_g_n_u_m | --_s_i_g_s_p_e_c] [_p_i_d | _j_o_b_s_p_e_c] ...       kkiillll --ll [_s_i_g_s_p_e_c | _e_x_i_t___s_t_a_t_u_s]              Send the signal named by _s_i_g_s_p_e_c  or  _s_i_g_n_u_m  to  the  processes              named  by  _p_i_d or _j_o_b_s_p_e_c.  _s_i_g_s_p_e_c is either a case-insensitive              signal name such as SSIIGGKKIILLLL (with or without the SSIIGG prefix)  or              a  signal  number; _s_i_g_n_u_m is a signal number.  If _s_i_g_s_p_e_c is not              present, then SSIIGGTTEERRMM is assumed.  An argument of --ll  lists  the              signal  names.   If any arguments are supplied when --ll is given,              the names of the signals  corresponding  to  the  arguments  are              listed, and the return status is 0.  The _e_x_i_t___s_t_a_t_u_s argument to              --ll is a number specifying either a signal  number  or  the  exit              status  of  a process terminated by a signal.  kkiillll returns true              if at least one signal was successfully sent,  or  false  if  an              error occurs or an invalid option is encountered.       lleett _a_r_g [_a_r_g ...]              Each _a_r_g is an arithmetic expression to be evaluated (see AARRIITTHH--              MMEETTIICC EEVVAALLUUAATTIIOONN above).  If the last _a_r_g evaluates  to  0,  lleett              returns 1; 0 is returned otherwise.       llooccaall [_o_p_t_i_o_n] [_n_a_m_e[=_v_a_l_u_e] ...]              For  each  argument, a local variable named _n_a_m_e is created, and              assigned _v_a_l_u_e.  The _o_p_t_i_o_n can be any of the  options  accepted              by ddeeccllaarree.  When llooccaall is used within a function, it causes the              variable _n_a_m_e to have a visible scope restricted to  that  func-              tion and its children.  With no operands, llooccaall writes a list of              local variables to the standard output.  It is an error  to  use              llooccaall when not within a function.  The return status is 0 unless              llooccaall is used outside a function, an invalid _n_a_m_e  is  supplied,              or _n_a_m_e is a readonly variable.       llooggoouutt Exit a login shell.       mmaappffiillee  [--nn  _c_o_u_n_t]  [--OO _o_r_i_g_i_n] [--ss _c_o_u_n_t] [--tt] [--uu _f_d] [--CC _c_a_l_l_b_a_c_k]       [--cc _q_u_a_n_t_u_m] [_a_r_r_a_y]       rreeaaddaarrrraayy  [--nn _c_o_u_n_t] [--OO _o_r_i_g_i_n] [--ss _c_o_u_n_t] [--tt] [--uu _f_d] [--CC _c_a_l_l_b_a_c_k]       [--cc _q_u_a_n_t_u_m] [_a_r_r_a_y]              Read  lines from the standard input into the indexed array vari-              able _a_r_r_a_y, or from file descriptor _f_d if the --uu option is  sup-              plied.   The variable MMAAPPFFIILLEE is the default _a_r_r_a_y.  Options, if              supplied, have the following meanings:              --nn     Copy at most _c_o_u_n_t lines.  If _c_o_u_n_t is 0, all  lines  are                     copied.              --OO     Begin  assigning  to  _a_r_r_a_y at index _o_r_i_g_i_n.  The default                     index is 0.              --ss     Discard the first _c_o_u_n_t lines read.              --tt     Remove a trailing newline from each line read.              --uu     Read lines from file descriptor _f_d instead of  the  stan-                     dard input.              --CC     Evaluate  _c_a_l_l_b_a_c_k each time _q_u_a_n_t_u_m lines are read.  The                     --cc option specifies _q_u_a_n_t_u_m.              --cc     Specify the number of lines read  between  each  call  to                     _c_a_l_l_b_a_c_k.              If  --CC  is  specified  without  --cc, the default quantum is 5000.              When _c_a_l_l_b_a_c_k is evaluated, it is supplied the index of the next              array element to be assigned and the line to be assigned to that              element as additional arguments.  _c_a_l_l_b_a_c_k  is  evaluated  after              the line is read but before the array element is assigned.              If  not  supplied  with  an  explicit origin, mmaappffiillee will clear              _a_r_r_a_y before assigning to it.              mmaappffiillee returns successfully unless an invalid option or  option              argument  is  supplied,  _a_r_r_a_y is invalid or unassignable, or if              _a_r_r_a_y is not an indexed array.       ppooppdd [-nn] [+_n] [-_n]              Removes entries from the directory stack.   With  no  arguments,              removes  the  top directory from the stack, and performs a ccdd to              the new top directory.  Arguments, if supplied, have the follow-              ing meanings:              --nn     Suppresses  the  normal change of directory when removing                     directories from the stack, so that  only  the  stack  is                     manipulated.              ++_n     Removes  the _nth entry counting from the left of the list                     shown by ddiirrss, starting with zero.  For  example:  ``popd                     +0'' removes the first directory, ``popd +1'' the second.              --_n     Removes the _nth entry counting from the right of the list                     shown  by  ddiirrss, starting with zero.  For example: ``popd                     -0'' removes the last directory, ``popd -1'' the next  to                     last.              If  the ppooppdd command is successful, a ddiirrss is performed as well,              and the return status is 0.  ppooppdd returns false  if  an  invalid              option is encountered, the directory stack is empty, a non-exis-              tent directory stack entry is specified, or the directory change              fails.       pprriinnttff [--vv _v_a_r] _f_o_r_m_a_t [_a_r_g_u_m_e_n_t_s]              Write  the  formatted _a_r_g_u_m_e_n_t_s to the standard output under the              control of the _f_o_r_m_a_t.  The --vv option causes the  output  to  be              assigned  to  the  variable _v_a_r rather than being printed to the              standard output.              The _f_o_r_m_a_t is a character string which contains three  types  of              objects:  plain  characters, which are simply copied to standard              output, character escape  sequences,  which  are  converted  and              copied  to  the standard output, and format specifications, each              of which causes printing of the next  successive  _a_r_g_u_m_e_n_t.   In              addition to the standard _p_r_i_n_t_f(1) format specifications, pprriinnttff              interprets the following extensions:              %%bb     causes pprriinnttff to expand backslash escape sequences in the                     corresponding _a_r_g_u_m_e_n_t (except that \\cc terminates output,                     backslashes in \\'', \\"", and \\?? are not removed, and  octal                     escapes beginning with \\00 may contain up to four digits).              %%qq     causes pprriinnttff to output the corresponding _a_r_g_u_m_e_n_t  in  a                     format that can be reused as shell input.              %%((_d_a_t_e_f_m_t))TT                     causes  pprriinnttff  to  output the date-time string resulting                     from using _d_a_t_e_f_m_t as a format  string  for  _s_t_r_f_t_i_m_e(3).                     The corresponding _a_r_g_u_m_e_n_t is an integer representing the                     number of seconds since the epoch.  Two special  argument                     values  may  be used: -1 represents the current time, and                     -2 represents the time the shell was invoked.              Arguments to non-string format specifiers are treated as C  con-              stants, except that a leading plus or minus sign is allowed, and              if the leading character is a single or double quote, the  value              is the ASCII value of the following character.              The  _f_o_r_m_a_t  is  reused as necessary to consume all of the _a_r_g_u_-              _m_e_n_t_s.  If the _f_o_r_m_a_t requires more _a_r_g_u_m_e_n_t_s than are supplied,              the  extra  format  specifications  behave as if a zero value or              null string, as appropriate,  had  been  supplied.   The  return              value is zero on success, non-zero on failure.       ppuusshhdd [--nn] [+_n] [-_n]       ppuusshhdd [--nn] [_d_i_r]              Adds  a  directory to the top of the directory stack, or rotates              the stack, making the new top of the stack the  current  working              directory.  With no arguments, exchanges the top two directories              and returns 0, unless the directory stack is empty.   Arguments,              if supplied, have the following meanings:              --nn     Suppresses  the  normal  change  of directory when adding                     directories to the stack,  so  that  only  the  stack  is                     manipulated.              ++_n     Rotates  the  stack  so  that the _nth directory (counting                     from the left of the list shown by  ddiirrss,  starting  with                     zero) is at the top.              --_n     Rotates  the  stack  so  that the _nth directory (counting                     from the right of the list shown by ddiirrss,  starting  with                     zero) is at the top.              _d_i_r    Adds _d_i_r to the directory stack at the top, making it the                     new current working directory.              If the ppuusshhdd command is successful, a ddiirrss is performed as well.              If  the first form is used, ppuusshhdd returns 0 unless the cd to _d_i_r              fails.  With the second form, ppuusshhdd returns 0 unless the  direc-              tory  stack  is empty, a non-existent directory stack element is              specified, or the directory change to the specified new  current              directory fails.       ppwwdd [--LLPP]              Print  the  absolute  pathname of the current working directory.              The pathname printed contains no symbolic links if the --PP option              is supplied or the --oo pphhyyssiiccaall option to the sseett builtin command              is enabled.  If the --LL option is used, the pathname printed  may              contain  symbolic links.  The return status is 0 unless an error              occurs while reading the name of the  current  directory  or  an              invalid option is supplied.       rreeaadd [--eerrss] [--aa _a_n_a_m_e] [--dd _d_e_l_i_m] [--ii _t_e_x_t] [--nn _n_c_h_a_r_s] [--NN _n_c_h_a_r_s] [--pp       _p_r_o_m_p_t] [--tt _t_i_m_e_o_u_t] [--uu _f_d] [_n_a_m_e ...]              One  line  is  read  from  the  standard input, or from the file              descriptor _f_d supplied as an argument to the --uu option, and  the              first word is assigned to the first _n_a_

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