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Thursday, November 29, 2018

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 -


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