Results for “commands”
Small, practical examples. Search by task or narrow things down below.
Check a script’s syntax without executing its body
Bash Scripts: bash -n parses commands but does not run ordinary script statements.
Bash Scripts✓ Tested
Check available disk space
Show total, used, and available filesystem space for the current directory in human-readable units.
disk✓ Tested
Check memory usage
Show memory and swap totals in human-readable units. The available column estimates memory usable by new applications.
memory✓ Tested
Check the size of a folder
Show a single total for the disk space used by a folder and its contents.
disk usage✓ Tested
Compress a file and keep the original
Create a gzip-compressed copy of a file while leaving the uncompressed original in place.
gzip✓ Tested
Construct a record with named properties
PowerShell: PSCustomObject gives downstream pipeline commands meaningful property names.
PowerShell✓ Tested
Copy a file to a folder
Create a backup folder if needed, then copy a file into it while preserving its modification time and permission bits.
file✓ Tested
Count lines in a file
Count newline characters in a text file, printing only the count without the filename.
lines✓ Tested
Create a compressed tar archive
Bundle a directory into a gzip-compressed tar archive, preserving the directory structure.
tar✓ Tested
Create a directory tree
Create a directory and its missing parent directories. The -p option also succeeds when the directories already exist.
directory✓ Tested
Create a symbolic link
Create a relative symbolic link to a file and inspect its target with readlink.
symlink✓ Tested
Dispatch a one-character serial command
Arduino / C: A switch provides explicit handling for accepted and unknown commands.
Arduino / C✓ Tested