What does $@ mean bash?

1175

How many fields are present in a crontab file and what does each field specify?

1127

Explain about echo command?

1100

What is bash command used for?

1071

How to print pid of the current shell?

995

How will you connect to a database server from linux?

1047

Tell something about the super block in shell scripting?

1035

write a shell script to emulate the Id command of PRIMOS which lists files and directories. It list files first with a header FILES and then directories with a header DIRECTORIES. This command has several options. The main ones are. -file select files only -dir select directories only -reverse sort in reverse order -no_header put no header on the output -brief output the header only -size display the size of each file -help display Id´s syntax and options.

2782

What is a boot block?

1029

What is option in shell script?

1018

What are the different types of variables used in shell script?

1081

Is shell scripting a language?

1040

i have 2 tables 4 colums table 1 respective values a1 6, a2 8,a3 9,a4 14 & table 2 respective values a1 6, a2 8, a3 9, a4 12. if compare 2 tables 3 colums values same then 4th column values 1)Qes diff >5 then (5 * diff value ) 2)Qes diff <5 the 5 3)Qes diff 5 then 5 print respective values..

2136

What exactly is a shell?

1084

What is sh in shell script?

1027