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man_1_simple_shell
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man_1_simple_shell
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.\" manpage for K-shell. Simple shell project to Holberton School.
.\" Contact AUTHORS to correct errors or typos.
.TH k_shell 0 "13 April 2020" "1.0" "Kayman-shell man page"
.SH NAME
k_shell \- Kayman-shell
.SH PROLOG
Kayman-shell (k_shell) it is a tiny but efficient interface line comands developed for Holberton School students.The Linux implementation of this interface may differ (consult our wiki page ##include link## for a correct installations), or the interface may not be implemented on Linux.
.SH SYSNOPSIS
k_shell
.SH DESCRIPTION
The utility of k_shell is that it is a command language interpreter that executes commands read from a command line string, standard input, or a specified file.
.SH OPTIONS
If there are no operands k_shell shall read commands from the standard input. there are no operands and the shell's standard input and standard error are attached to a terminal, the shell is considered to be interactive.
.SH OPERANDS
Operands don't shall be supported by k_shell
.SH STDIN
The standard input shall be used if one of the following is true:
The script executes one or more commands that require input from standard input (such as a read command that does not redirect its input).
.SH INPUT FILES
Input files not supported
.SS ENVIROMENT VARIABLES
*ENV This variable, when and only when an interactive shell is invoked and the resulting value shall be used as a pathname of a file containing shell commands to execute in the current environment. The file need not be executable. If the expanded value of ENV is not an absolute pathname, the results are unspecified. ENV shall be ignored if the real and effective user IDs or real and effective group IDs of the process are different.
.br
*HOME
Determine the pathname of the user's home directory.
.br
*LANG
Provide a default value for the internationalization variables that are unset or null.
.br
*PATH
Establish a string formatted
.br
.IP *PWD
This variable shall represent an absolute pathname of the current working directory. Assignments to this variable may be ignored.
.SH ASYNCHRONOUS EVENTS
The sh utility shall take the standard action for all signals. If the shell is interactive, SIGINT signals received during command line editing shall be handled as described in the EXTENDED DESCRIPTION, and SIGINT signals received at other times shall be caught but no action performed.
.SH STDOUT
See \fBSTDERR
.SH STDERR
Except as otherwise stated (by the descriptions of any invoked utilities or in interactive mode), standard error shall be used only for diagnostic messages.
.SH OUTPUT FILES
None
.SH APPLICATION USAGE
k_shell can be executed int two modes:
.B *Interactive mode:
.br ./hsh
.B *Non interactive mode:
.br echo "/bin/ls" | ./hsh
.SH EXAMPLES
.B 1. Non interactice mode example:
$ echo "/bin/ls" | ./hsh
hsh main.c shell.c test_ls_2
$
$ cat test_ls_2
/bin/ls
/bin/ls
$
$ cat test_ls_2 | ./hsh
hsh main.c shell.c test_ls_2
hsh main.c shell.c test_ls_2
$
2. Interactice mode example:
$ ./hsh
($) /bin/ls
hsh main.c shell.c
($)
($) exit
$
.SH FUTURE DIRECTIONS
None
.SH SEE ALSO
acces(2), chdir(2), close (2), closedir(2), execve(2), exit(3), _exit(2), fflush(3), fork(2), free(3), getcwd(3), getline(3)
isatty(3), kill(2), malloc(3), open(2), opendir(3), perror(3), read(2), readdir(3), signal(2), stat(2), lstat(2), fstat(2)
strtok(3), wait(2), waitpid(2), wait3(2), wait4(2), write(2).
.SH COPYRIGHT
See AUTHORS
.SH AUTHORS
.B David Orozco <[email protected]>
.br
.B Hugo Santiago <[email protected]>
.br