Unix & Linux: How to capture return code (not exit code)?

Unix & Linux: How to capture return code (not exit code)?

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Unix & Linux: How to return the exit code? Error: return: Reading: numeric argument required?
Unix & Linux: How to return the exit code? Error: return: Reading: numeric argument required?
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Unix & Linux: How to return the exit code? Error: return: Reading: numeric argument required?

Unix & Linux: How to return the exit code? Error: return: Reading: numeric argument required?
Unix & Linux: Shell script returns 126 exit code from crontab

Unix & Linux: Shell script returns 126 exit code from crontab
Unix & Linux: Can't determine why exit code is not being logged

Unix & Linux: Can't determine why exit code is not being logged
How to use exit codes

How to use exit codes
Unix & Linux: How to suppress exit code of finished background jobs? (2 Solutions!!)

Unix & Linux: How to suppress exit code of finished background jobs? (2 Solutions!!)
Unix & Linux: How to fix exit status 127? (3 Solutions!!)

Unix & Linux: How to fix exit status 127? (3 Solutions!!)
Unix & Linux: Exit code at the end of a bash script (2 Solutions!!)

Unix & Linux: Exit code at the end of a bash script (2 Solutions!!)
Unix & Linux: Systemd start script fails with exit code 127 (2 Solutions!!)

Unix & Linux: Systemd start script fails with exit code 127 (2 Solutions!!)
Unix & Linux: rsync error: exit code 23 ( No such file or directory (2) )

Unix & Linux: rsync error: exit code 23 ( No such file or directory (2) )
Unix & Linux: Testing multi-valued exit status (not just success orfailure) (2 Solutions!!)

Unix & Linux: Testing multi-valued exit status (not just success orfailure) (2 Solutions!!)
Unix & Linux: zypper exit code 106 - how to fix?

Unix & Linux: zypper exit code 106 - how to fix?
Unix & Linux: awk exit code if regular expression did not match (2 Solutions!!)

Unix & Linux: awk exit code if regular expression did not match (2 Solutions!!)
Unix & Linux: dpkg: new pre-installation script returned error exit status 1 (4 Solutions!!)

Unix & Linux: dpkg: new pre-installation script returned error exit status 1 (4 Solutions!!)
How to Fix “Permission Denied” Error in Linux (2026 Guide)

How to Fix “Permission Denied” Error in Linux (2026 Guide)
Return Last Command's Status Code In Bash

Return Last Command's Status Code In Bash
Unix & Linux: printenv exits with error code 1 for non-existent env name (2 Solutions!!)

Unix & Linux: printenv exits with error code 1 for non-existent env name (2 Solutions!!)
Unix & Linux: Why do high exit codes on Linux shells (＞= 256) not work as expected? (2 Solutions!!)

Unix & Linux: Why do high exit codes on Linux shells (＞= 256) not work as expected? (2 Solutions!!)
LINUX ERROR FIX: collect2: error: ld returned 1 exit status

LINUX ERROR FIX: collect2: error: ld returned 1 exit status