Setting the Virtual Machine Path in Talend TOS

Open : Talend.ini file

Set the below properties : 

-vm

C:\Program Files\Java\jdk1.8.0_65\jre\bin

Basic Commands

1. Command : ​df -h 

Description : To display information of all file system statistics in GB (Gigabyte)  

2. Command: free 

Description : retrieves the ram usage information 

usage: free [-b|-k|-m|-g] [-l] [-o] [-t] [-s delay] [-c count] [-V]

  -b,-k,-m,-g show output in bytes, KB, MB, or GB

  -l show detailed low and high memory statistics

  -o use old format (no -/+buffers/cache line)

  -t display total for RAM + swap

  -s update every [delay] seconds

  -c update [count] times

  -V display version information and exit

3. Command : locate *exactfilename*

Description: this command helps to find the location of a file if we know the file name

locate "*.png"

Another way is : find / -type f -name "file*"  

/ is used to do the search on all directories similar to locate.

If we want to do find the file on our current directory , the command should be modified like : 

find . -type f -name "file*"

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Touch Command Options

Create empty file 

# touch myfile.txt

Create Multiple Files 

# touch myfile.txt myfile2.txt myfile3.txt 

Update Access and modification times 

# touch -m myfile.txt

Explicitly set the access and modification time

# touch -c -t 15101730 myfile.txt

For example the following command sets the access and modification date and time to a file myfile.txt as 17:30 (17:30 p.m.) December 10 of the current year (2015).