printf command

Linux / Unix: Use Cat Command To Append Data To a File

by on January 7, 2013 · 0 comments

I am a new Unix user. I have Debian Linux installed. I need to append text to a file called daily.log. How do I use the cat command to append data to a file?

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Unix / Linux: Bash Number Currency Formatting Thousands Grouping Separator

by on November 26, 2012 · 3 comments

I have a number stored in a shell variable called x=”240570.578″. I would like to print $x as 2,40,570.57. How do I replace the number with their currency format under bash shell scripts?

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Linux: Set Environment Variable

by on April 14, 2011 · 13 comments

Bash shell is used for various purposes under Linux. How do I customize the shell environment variable under Linux operating systems?

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HowTo: Get / Print Current Date in Unix / Linux Shell Script

by on January 31, 2011 · 0 comments

How do I get the current date in Unix or Linux shell scripting and store it into a shell variable? How do I print the current date using Unix shell script?

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Linux / UNIX: bc Convert Octal To Hexadecimal or Vise Versa

by on November 23, 2010 · 0 comments

How do I convert from octal to hex number using bc UNIX / Linux command line utility?

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Unix / Linux: TCSH / CSH Shell Set Variable

by on August 6, 2010 · 0 comments

How do I set environment variables using c shell (tcsh or csh) under FreeBSD UNIX or Linux operating systems? How do I save variable using csh shell under Unix like operating systems?

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Display or print UNIX / Linux path ~ $PATH variable

by on September 11, 2007 · 4 comments

Q. How do I print current path settings under BASH shell? I’m using Debian Linux. A. In UNIX / Linux file systems, the human-readable address of a resource is defined by PATH. On Unix / Linux like operating systems, (as well as on DOS / Windows and its descendants), PATH is an environment variable listing [...]

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