व्याकरण की

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

Which operator is used for string equality comparison within `test` or `[` commands in shell scripting?

To check if a file /tmp/data.txt is both readable and writable by the current user in a shell conditional, which test is correct?

Which operator enables process substitution?

In bash, which command is used to trap and handle signals like SIGINT?

What does the exit command do in a shell script?

What does #!/bin/bash at the start of a script mean?

Which ETL process step validates and cleans data before loading?

Which command is used to check the current working directory in Linux?

Which symbol is used to comment a single line in shell scripts?