col.6

UNIX v6源代码 这几乎是最经典的unix版本 unix操作系统设计和莱昂氏unix源代码分析都是用的该版

.th COL VI 5/20/74
.sh NAME
col \*- filter reverse line feeds
.sh SYNOPSIS
.bd col
.sh DESCRIPTION
.it Col
reads the standard input and writes the standard output.
It performs the line overlays implied by reverse line
feeds (ascii code ESC-7).
.it Col
is particularly useful for filtering multicolumn
output made with the `.rt' command of
.it nroff.
.sh "SEE ALSO"
nroff (I)
.sh BUGS
Can't back up more than 102 lines.