How can I print each command before executing?
36299
How to echo shell commands as they are executed
139223
How do I pipe each command given to the shell?
94761
How to capture ordered STDOUT/STDERR and add timestamp/prefixes?
77401
How do I log every command executed by a user?
131252
How to capture all the commands typed in Unix/Linux by any user?
13516
Can I configure my shell to print STDERR and STDOUT in different colors?
35981
How can I pipe the output of *all* entered shell commands into another? (e.g. pipe everything into 'lolcat')
147923
How do you print the code of a shell function in terminal?
43249
Formatting All Appropriate Output as Desired Automatically
138210
Capturing stdout from a system() command optimally
88038
Output to command-line if started from command line
75454
Wait for Shell to finish, then format cells - synchronously execute a command
54231
How can I retrieve the first word of the output of a command in Bash?
15611
How do I execute a command and get the output of the command within C++ using POSIX?
106600
Execute a command once per line of piped input?
70520
How to redirect the output of any command?
15296
How can I assign the output of a command to a shell variable?