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Results for “commands”

Small, practical examples. Search by task or narrow things down below.

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Linux CommandsGetting Started

Replace text in a pipeline

Linux Commands: Replace text in a pipeline using GNU/Linux commands in an empty practice directory.

Linux Commands✓ Tested
PowerShellCommands & execution context

Restore an environment value after temporary use

PowerShell: Use finally so temporary process configuration does not leak to subsequent work; remove the entry when it was originally absent.

PowerShell✓ Tested
PowerShellCommands & execution context

Restore the working location after an operation

PowerShell: Push-Location and Pop-Location manage a directory stack; finally ensures restoration.

PowerShell✓ Tested
Linux CommandsFinding & selecting files

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
Linux CommandsStreams & byte tools

Save a stream while displaying it

Linux Commands: Use tee to write a copy of standard input to a file.

Linux Commands✓ Tested
Linux CommandsSearching text

Search for a literal string

Linux Commands: Use grep -F when the pattern contains regex metacharacters that should be literal.

Linux Commands✓ Tested
Linux CommandsSearching text

Search text without case sensitivity

Linux Commands: Use grep -i to match uppercase and lowercase variants.

Linux Commands✓ Tested
Linux CommandsGetting Started

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
Linux CommandsStreams & byte tools

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
Linux CommandsFiles & permissions

Set owner-only file permissions

Linux Commands: Use chmod 600 to allow only the owner to read and write a file.

Linux Commands✓ Tested
Linux CommandsSearching text

Show line numbers beside matches

Linux Commands: Use grep -n so a result identifies its position in the source file.

Linux Commands✓ Tested
Linux CommandsGetting Started

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