banner Print a large banner on printer.
lpr Print, submits a job to the printer.
Ex: lpr -Pdest filename. Dest is the destination printer. the name of the file to print is filename.
lpc Lets you check the status of the printer and set its state.
lpq Shows the contents of a spool directory for a given printer.
lprm Removes a job from the printer queue.
gs Ghostscript – A PostScript interpreter.
pr Print a file. Ex: pr filename |pg.
tunelp Set various parameters for the lp device.
awk C programming language – allows finding of lines with specific characters.
bc A precision calculator language.
cproto Reads in c source files and generates function prototypes for all the functions.
ctags Generate tag (index) files for source code.
dialog Display dialog boxes from shell scripts.
egcs GNU project C and C++ compiler.
f2c Converts fortran code to c code.
gawk Pattern scanning and processing language. GNU’s implementation of awk.
gcc GNU c and c++ compiler.
-g Produce debugging information.
-pg Generate profile info that will allow the gprof program to display timing info.
gdb Debugging program.
gprof In /usr/bin, allows you to tell where most of the execution time is spent in a program.
igawk Gawk with include files.
indent Reformats c source code for consistent indenting and opening and closing brackets consistent.
ld The GNU linker.
ld86 Linker for as86.
make GNU make utility to maintain a group of programs.
nm Lists symbols from object files.
objcopy Copy and translate object files.
objdump Display information from object files.
p2c Converts pascal code to c code.
prompt set prompt = “waldo” (in C shell) ps1 = ‘waldo’ (in BOURNE shell)
PS1=”[\u@\h \w]\\$ ” makes prompt = [username@hostname current directory]
see the BASH or your shell’s man page for more information.
size List section sizes and total size.
strip Discard symbols from object files.
xxgdb X windows based graphical user interface to gdb.
Perl A command interpreter for the Practical Extraction and Report Language (perl).
Python A report language.
Tcl Tool command language shell. Enter by typing tclsh.
info Return information about the state of the Tcl interpreter.
Tk A graphical user extension to Tcl based on X windows. Commands are same as Tcl.