Very Important Unix Commands

Are you looking for an article for Unix commands which are used for daily activities? Are you looking for the Unix commands which are used for manipulating data? Are also willing to know what commands used for networking and compressing the files? If yes, then you can refer this article as it highlights on commands which are used for data manipulation, networking, messaging and compressing the files.

A) Commands used for manipulating data:

Command	Details
awk	Pattern scanning and processing language
cmp	Compares the contents of two files
comm	Compares sorted data
cut	Cuts out selected fields of each line of a file
diff	Differential file comparator
expand	Expands tabs to spaces
join	Joins files on some common field
perl	Data manipulation language
sed	Stream text editor
sort	Sorts file data
split	Splits the file into smaller files
tr	Translates characters
uniq	Reports repeated lines in a file
wc	Counts words, lines, and characters
vi	Opens vi text editor
vim	Opens vim text editor
fmt	Simple text formatting
spell	Checks text for spelling error
ispell	Checks text for spelling error
emacs	GNU project Emacs
ex, edit	Line editor

B)  Commands used for Compressing files:

Command	Details
compress	Compresses files
gunzip	Helps uncompress gzipped files
gzip	GNU alternative compression method
uncompress	Helps uncompress files
unzip	List, test, and extract compressed files in a ZIP archive
zcat	Cat a compressed file
zcmp	Compares compressed files
zdiff	Compares compressed files
zmore	File perusal filter for crt viewing of compressed text

C)  Commands used for Getting information:

Command	Details
apropos	Locates commands by keyword lookup
info	Displays command information pages online
man	Displays manual pages online
whatis	Searches the whatis database for complete words
yelp	GNOME help viewer

D)  Commands used for Network Communication:

Command	Details
ftp	File transfer program
rcp	Remote file copy
rlogin	Remote login to a Unix host
rsh	Remote shell
tftp	Trivial file transfer program
telnet	Makes terminal connection to another host
ssh	Secures shell terminal or command connection
scp	Secures shell remote file copy
sftp	Secures shell file transfer program

E)  Commands used for sending messages between users:

Command	Details
evolution	GUI mail handling tool on Linux
mail	Simple send or read mail program
mesg	Permits or denies messages
parcel	Sends files to another user
pine	Vdu-based mail utility
talk	Talks to another user
write	Writes message to another user

Refer the video below more interesting concepts about Unix technology -