- admin
-
create and administer SCCS files (DEVELOPMENT)
- alias
-
define or display aliases
- ar
-
create and maintain library archives
- asa
-
interpret carriage-control characters
- at
-
execute commands at a later time
- awk
-
pattern scanning and processing language
- basename
-
return non-directory portion of a pathname
- batch
-
schedule commands to be executed in a batch queue
- bc
-
arbitrary-precision arithmetic language
- bg
-
run jobs in the background
- break
-
exit from for, while, or until loop
- c99
-
compile standard C programs
- cal
-
print a calendar
- cat
-
concatenate and print files
- cd
-
change the working directory
- cflow
-
generate a C-language flowgraph (DEVELOPMENT)
- chgrp
-
change the file group ownership
- chmod
-
change the file modes
- chown
-
change the file ownership
- cksum
-
write file checksums and sizes
- cmp
-
compare two files
- colon
-
null utility
- comm
-
select or reject lines common to two files
- command
-
execute a simple command
- compress
-
compress data
- continue
-
continue for, while, or until loop
- cp
-
copy files
- crontab
-
schedule periodic background work
- csplit
-
split files based on context
- ctags
-
create a tags file (DEVELOPMENT, FORTRAN)
- cut
-
cut out selected fields of each line of a file
- cxref
-
generate a C-language program cross-reference table (DEVELOPMENT)
- date
-
write the date and time
- dd
-
convert and copy a file
- delta
-
make a delta (change) to an SCCS file (DEVELOPMENT)
- df
-
report free disk space
- diff
-
compare two files
- dirname
-
return the directory portion of a pathname
- dot
-
execute commands in the current environment
- du
-
estimate file space usage
- echo
-
write arguments to standard output
- ed
-
edit text
- env
-
set the environment for command invocation
- eval
-
construct command by concatenating arguments
- ex
-
text editor
- exec
-
execute commands and open, close, or copy file descriptors
- exit
-
cause the shell to exit
- expand
-
convert tabs to spaces
- export
-
set the export attribute for variables
- expr
-
evaluate arguments as an expression