Results for “Linux Commands”
Small, practical examples. Search by task or narrow things down below.
Reorder fields with a capture group
Linux Commands: Use extended regular expressions and backreferences to rearrange a known format.
Linux Commands✓ Tested
Replace text in a pipeline
Linux Commands: Replace text in a pipeline using GNU/Linux commands in an empty practice directory.
Linux Commands✓ Tested
Run a command safely for each matching file
Linux Commands: Use find -exec with argument placeholders so spaces in filenames remain intact.
Linux Commands✓ Tested
Save a stream while displaying it
Linux Commands: Use tee to write a copy of standard input to a file.
Linux Commands✓ Tested
Search for a literal string
Linux Commands: Use grep -F when the pattern contains regex metacharacters that should be literal.
Linux Commands✓ Tested
Search text without case sensitivity
Linux Commands: Use grep -i to match uppercase and lowercase variants.
Linux Commands✓ Tested
Send command output into another command
Linux Commands: Send command output into another command using GNU/Linux commands in an empty practice directory.
Linux Commands✓ Tested
Set a file to a specific byte length
Linux Commands: Use truncate to shorten a known scratch file without replacing its inode.
Linux Commands✓ Tested
Set owner-only file permissions
Linux Commands: Use chmod 600 to allow only the owner to read and write a file.
Linux Commands✓ Tested
Show line numbers beside matches
Linux Commands: Use grep -n so a result identifies its position in the source file.
Linux Commands✓ Tested
Sort a small set of lines
Linux Commands: Sort a small set of lines using GNU/Linux commands in an empty practice directory.
Linux Commands✓ Tested
Sort lines by numeric value
Linux Commands: Use sort -n so 10 sorts after 2 instead of before it.
Linux Commands✓ Tested