Man Pages – Linux Manual Pages

ed, red – text editor
USAGE
ed [-] [-Gs] [-p string] [file]

red [-] [-Gs] [-p string] [file]

DESCRIPTION
ed is a line-oriented text editor. It is used to create, display, mod-
[...]

confstr – get configuration dependent string variables
USAGE
#define _POSIX_C_SOURCE 2
or
#define _XOPEN_SOURCE
#include <unistd.h>

size_t confstr(int name, char *buf, size_t len);

DESCRIPTION
[...]

tcsh – C shell with file name completion and command line editing
USAGE
tcsh [-bcdefFimnqstvVxX] [-Dname[=value]] [arg ...]
tcsh -l

DESCRIPTION
tcsh is an enhanced but completely compatible version of the Berkeley
[...]

sh – command interpreter (shell)
USAGE
sh [-/+aCefnuvxIimqsVEbc] [-o longname] [target ...]

DESCRIPTION
Sh is the standard command interpreter for the system. The current ver-
sion of sh is in the process of being changed to conform with the POSIX
1003.2 [...]

bash – GNU Bourne-Again SHell
USAGE
bash [options] [file]

COPYRIGHT
Bash is Copyright (C) 1989-2002 by the Free Software Foundation, Inc.

DESCRIPTION
Bash is an sh-compatible command language interpreter that executes
[...]

at – execute commands at a later time
USAGE at [-V] [-q queue] [-f file] [-mldbv] TIME at [-V] [-q queue] [-f file] [-mldbv] -t time_arg at -c job [job...] atq [-V] [...]

sh – command interpreter (shell)
USAGE
sh [-/+aCefnuvxIimqsVEbc] [-o longname] [target ...]

DESCRIPTION
Sh is the standard command interpreter for the system. The current ver-
sion of sh is in the process of being changed to conform with the POSIX
1003.2 [...]