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What is the option in if command used for?
if is a command in Linux which is used to execute commands based on conditions. The ‘if COMMANDS’ list is executed. If its status is zero, then the ‘then COMMANDS’ list is executed.
What is condition in shell script?
Conditional Statements: There are total 5 conditional statements which can be used in bash programming. if statement. if-else statement. if..elif..else..fi statement (Else If ladder) if..then..else..if..then..fi..fi..(Nested if)
What is BG command and how does it work?
The bg command is part of Linux/Unix shell job control. The command may be available as both internal and external command. It resumes execution of a suspended process as if they had been started with &. Use bg command to restart a stopped background process.
When to specify a true condition in a command line?
Specifies a true condition if the last program run returned an exit code equal to or greater than the number specified. Specifies a true condition if the specified text strings match. Specifies a true condition if the specified filename exists.
How to tell if a command is carried out?
Windows XP and earlier syntax NOT Specifies that Windows should carry out ERRORLEVEL number Specifies a true condition if the last p command Specifies the command to carry out if th string1==string2 Specifies a true condition if the specif EXIST filename Specifies a true condition if the specif
What happens after the if in the command line?
Specifies the command to carry out if the condition is met. Command can be followed by ELSE command that will execute the command after the ELSE keyword if the specified condition is FALSE. The ELSE clause must occur on the same line as the command after the IF.
What is the true condition of cmd.exe?
Specifies a true condition only if the previous program run by Cmd.exe returned an exit code equal to or greater than number. Specifies the command that should be carried out if the preceding condition is met.