comm (1p) - select or reject lines common to two files
csplit (1) - split a file into sections determined by context lines
egrep (1) - print lines matching a pattern
fgrep (1) - print lines matching a pattern
find2perl (1) - translate find command lines to Perl code
fold (1p) - filter for folding lines
git-annotate (1) - Annotate file lines with commit information
git-grep (1) - Print lines matching a pattern
grep (1) - print lines matching a pattern
join (1) - join lines of two files on a common field
look (1) - display lines beginning with a given string
nl (1) - number lines of files
paste (1) - merge lines of files
paste (1p) - merge corresponding or subsequent lines of files
rev (1) - reverse lines of a file or files
rtpr (8) - replace backslashes with newlines.
sort (1) - sort lines of text files
tc-bpf (8) - BPF programmable classifier and actions for ingress/eg...
Tie::File (3pm) - Access the lines of a disk file via a Perl array
tty_ioctl (4) - ioctls for terminals and serial lines
ttyS (4) - serial terminal lines
uniq (1) - report or omit repeated lines
uniq (1p) - report or filter out repeated lines in a file
xargs (1) - build and execute command lines from standard input
zipgrep (1) - search files in a ZIP archive for lines matching a pat...
zstdgrep (1) - print lines matching a pattern in zstandard-compressed...