Viewing files with cat, more, less, head, and tail
READ ALL ABOUT IT!
Practical tools such as cat, less, and head are convenient for viewing text.
You don’t always need to launch an editor to view text files at the console. More often than not, a simple viewer is far quicker. But the programs we will be looking at in this month’s issue have a lot more tricks up their sleeves. If you are looking for a fast approach to concatenating multiple files in a single file, cat is the tool you need. This article also looks at tips for the more and less pagers, showing you more convenient approaches to using these tools. And if you are just interested in grabbing the first or last few lines of a file, head and tail are the tools you need. Catwalk
cat lets you output a text file via standard output:
Read full article as PDF:
Command_Line_File_Viewers.pdf (39.46 kB)Tag Cloud
News
-
KDE Announces Software Compilation 4.13
New release comes with better semantic search and improvements to Kontact.
-
Coverity: Open Source Code has Fewer Defects
Annual code quality report shows FOSS is more secure at all project size levels.
-
An Even Smaller Raspberry Pi
The Raspberry Pi Foundation has announced an even smaller version of the tiny computer that will fit into a DIMM slot.
-
Freaky Privilege Escalation Attack
A new class of problems lets a malicious app pre-configure an invisible privilege update.
-
Facebook Rolls Out New PHP-like Programming Language
New Hack language adds static typing and other conveniences.
-
Fedora Announces Innovative Crytography Policy System
New crypto policy system will offer easier configuration and more uniform security.
-
Shuttleworth Calls for Declarative Firmware
Ubuntu founder denounces insecurity in proprietary, close-source software blobs.
-
New TLS Attack Takes the S out of HTTPS
Vulnerability affects many Linux web servers
-
Munich Adopts Kolab
The Bavarian capital shuns Microsoft, Google, and other alternatives to implement an open source groupware solution.
-
Canonical Announces Ubuntu Smartphones
Phone vendor partnerships bring Mark Shuttleworth's dream of Ubuntu on a phone a step closer to reality.