' सामान्य ' शब्द

Which command is used to search for a pattern in files?

Which command is used to display the first few lines of a file?

Which ETL process step validates and cleans data before loading?

What does $# represent in a shell script?

Which special file enables interprocess communication using named pipes?

What does the #!/bin/bash line at the beginning of a shell script indicate?

OLAP is primarily used for:

Which statement correctly defines a variable in shell scripting?

Which operator enables process substitution?

Which operator enables process substitution in bash (e.g., diff <(cmd1) <(cmd2))?