Lines Matching refs:command
43 back to the main command loop */
81 EXINT exception to return to the main command loop. (Exception:
83 command.) The INTOFF and INTON macros (defined in exception.h)
188 variable and command substitution, the parser doesn't insert any
193 able and command substitution phase. Words which are subject
208 quotes. It saves the result in memory if the command is a buil-
209 tin; otherwise it forks off a child to execute the command and
224 EXEC.C: The routine find_command locates a command, and enters
225 the command in the hash table if it is not already there. The
227 if the command is not found. (When a pipeline is set up,
230 table of the parent process. But to make command hashing as
232 and only print error messages if the command cannot be found
238 (performed by the routine argstr) performs variable and command
243 tells the cd command that it should print out the directory name,
256 variables which precede the command (as in "PATH=xxx command") in
260 PATH precedes the command, the value of PATH before the assign-
263 environment variables which preceded the command must be pulled
273 tins command.
275 A builtin command is invoked with argc and argv set up like a
276 normal program. A builtin command is allowed to overwrite its
280 normally terminates the shell (or returns to the main command
282 command it causes the builtin command to terminate with an exit
303 complication in the cd command is in the docd command, which
307 SIGNALS: Trap.c implements the trap command. The routine set-
320 tin command appears in backquotes, to allow its output to be col-