Software Usage Function
wc wc [OPTION]... --files0-from=F print newline, word, and byte counts for each file
clear clear clear the terminal screen
rm rm [OPTION]... FILE... remove files or directories
strings strings [-afovV] [-min-len] [-n min-len] [--bytes=min-len] [-t radix] [--radix=radix] [-e encoding] [--encoding=encoding] [-] [--all] [--print-file-name] [-T bfdname] [--target=bfdname] [-w] [--include-all-whitespace] [-s] [--output-separatorsep_string] [--help] [--version] file... print the strings of printable characters in files.
dd dd OPTION convert and copy a file
passwd passwd [-k] [-l] [-u [-f]] [-d] [-e] [-n mindays] [-x maxdays] [-w warndays] [-i inactivedays] [-S] [--stdin] [username] update user’s authentication tokens
basename basename NAME [SUFFIX] strip directory and suffix from filenames
at at -c job [job...] queue, examine or delete jobs for later execu-tion
mesg mesg [y|n] control write access to your terminal
su su [OPTION]... [-] [USER [ARG]...] run a shell with substitute user and group IDs
xargs xargs [options] [command [initial-arguments]] build and execute command lines from standard input
find find [-H] [-L] [-P] [-D debugopts] [-Olevel] [path...] [expression] search for files in a directory hierarchy
cat cat [OPTION]... [FILE]... concatenate files and print on the standard output
chgrp chgrp [OPTION]... GROUP FILE... change group ownership
env env [OPTION]... [-] [NAME=VALUE]... [COMMAND [ARG]...] run a program in a modified environment
mount mount -a [-fFnrsvw] [-t vfstype] [-O optlist] mount a filesystem
vim vim [options] -t tag Vi IMproved, a programmers text editor
man [man options] [[section] page ...] ... format and display the on-line manual pages
pgawk pgawk [ POSIX or GNU style options ] [ -- ] program-text file ... pattern scanning and processing language
logname logname [OPTION] print user's login name