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author | Niklas Halle <niklas@niklashalle.net> | 2020-05-24 17:29:04 +0200 |
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committer | Niklas Halle <niklas@niklashalle.net> | 2020-05-24 17:29:04 +0200 |
commit | 76d8a735b54f528f1bef8d67207862bc6db493a4 (patch) | |
tree | c39d84bd0f4ecabb04cc568904959e84b35b70cb | |
parent | 922b46952d38f51850640a20d7be4747e84e95f4 (diff) | |
download | betriebssysteme-76d8a735b54f528f1bef8d67207862bc6db493a4.tar.gz betriebssysteme-76d8a735b54f528f1bef8d67207862bc6db493a4.zip |
small welcome message, telling what the shell can do
-rw-r--r-- | 02_exercise/shell.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/02_exercise/shell.c b/02_exercise/shell.c index 35de455..20156b2 100644 --- a/02_exercise/shell.c +++ b/02_exercise/shell.c @@ -13,6 +13,15 @@ int main(void) { setvbuf(stderr, NULL, _IONBF, 0); setvbuf(stdout, NULL, _IONBF, 0); + printf("Welcome! Available built-ins are:\n" + "cd: `cd <path>` - if no path is given, return to the current dir\n" + "wait: `wait pid1 ... pidN` - wait on the processes and report their exit conditions\n" + "fg: `fg pid` - pulls a process from the background back in the foreground (#TODO)\n" + "\n" + "You can put processes in the background using the unary `&` for new processes, and using CTRL-Z (#TODO) for already running ones\n" + "With `|` you can pipe the output from one process to the input of another\n" + ); + char const *const original_wd = get_current_dir_name(); char const *prompt = relative_path(original_wd, original_wd); bool done = false; |