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Diffstat (limited to 'docs/fs.md')
| -rw-r--r-- | docs/fs.md | 11 |
1 files changed, 9 insertions, 2 deletions
@@ -249,12 +249,19 @@ same tree without leaving the process. is typed into that shell. From anywhere else -- a file, a scratch, a tag, a terminal whose tty a program holds -- it runs as a command pane: a terminal whose child is the root ctl's `Shell` (fish unless set) run - with `-c` and the line, in the pane's directory, + with `-c` and the line, in the pane's directory, with job control on + (bash, sh, dash, zsh, ksh `-m`; fish `status job-control full`), which shows its output and then `exit N` (its tag reads `<dir> (<line>) running`, then `exit N`), and stays. The command is over when its process exits, as in acme, not when its terminal closes: a job it left in the background prints on below `exit N` until it lets go of the pty, and a - command that lets go of its terminal early runs on to its own exit. The directory's next command runs in + command that lets go of its terminal early runs on to its own exit. A + background job outlives the command: job control gives it a process + group of its own, so the hangup the kernel sends the terminal's + foreground group when the shell exits misses it. It survives the pane + closing or taking the next command too, but its writes to the terminal + then fail, so start one that must keep writing with `nohup` or its + output redirected. The directory's next command runs in that pane once it is done, below what it showed, after a `% <line>` line; one still running gets a second pane. Before the next command the pane leaves any alternate screen and turns off the modes a program left on |