System information

An Introduction to Shells in General
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here is provided "as is", and there is no guarantee that any of the examples shown will work in your
particular application.
Revision 1.02 October 2002 58
5.3.43 stty
Syntax: stty [-a|g] [-F device] [SETTING]...
Without arguments, prints baud rate, line discipline, and deviations from stty sane.
Options:
-F device open device instead of stdin
-a print all current settings in human-readable form
-g print in stty-readable form
[SETTING] see documentation
5.3.44 sync
Syntax: sync
Write all buffered filesystem blocks to disk.
5.3.45 tail
Syntax: Tail [OPTION]... [FILE]...
Print last 10 lines of each FILE to standard output. With more than one FILE, precede each with
a header giving the file name. With no FILE, or when FILE is -, read standard input.
Options:
-c N[kbm] output the last N bytes
-n N[kbm] print last N lines instead of last 10
-f output data as the file grows
-q never output headers giving file names
-s SEC wait SEC seconds between reads with -f
-v always output headers giving file names
If the first character of N (bytes or lines) is a '+', output begins with the Nth item from the start of
each file, otherwise, print the last N items in the file. N bytes may be suffixed by k (x1024), b
(x512), or m (1024^2).
Example:
$ tail -n 1 /etc/resolv.conf
nameserver 10.0.0.1
5.3.46 tee
Syntax: tee [OPTION]... [FILE]...
Copy standard input to each FILE, and also to standard output.
Options:
-a append to the given FILEs, do not overwrite
Example:
$ echo "Hello" | tee /tmp/foo
$ cat /tmp/foo
Hello