diff options
Diffstat (limited to 'man7/pty.7')
| -rw-r--r-- | man7/pty.7 | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/man7/pty.7 b/man7/pty.7 index 25c29bff67..f63dec7175 100644 --- a/man7/pty.7 +++ b/man7/pty.7 @@ -58,19 +58,19 @@ terminal emulators such as .BR unbuffer (1), and .BR expect (1). - +.PP Data flow between master and slave is handled asynchronously, much like data flow with a physical terminal. Data written to the slave will be available at the master promptly, but may not be available immediately. Similarly, there may be a small processing delay between a write to the master, and the effect being visible at the slave. - +.PP Historically, two pseudoterminal APIs have evolved: BSD and System V. SUSv1 standardized a pseudoterminal API based on the System V API, and this API should be employed in all new programs that use pseudoterminals. - +.PP Linux provides both BSD-style and (standardized) System V-style pseudoterminals. System V-style terminals are commonly called UNIX 98 pseudoterminals @@ -95,7 +95,7 @@ the name returned by .BR ptsname (3) in a call to .BR open (2). - +.PP The Linux kernel imposes a limit on the number of available UNIX 98 pseudoterminals. In kernels up to and including 2.6.3, this limit is configured @@ -149,7 +149,7 @@ A description of the .BR ioctl (2), which controls packet mode operation, can be found in .BR ioctl_tty (2). - +.PP The BSD .BR ioctl (2) operations |