CLI Tools Directory

Browse 6,000+ CLI tools by category or letter. Find exact command syntax and verified examples.

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U
3

unflatten

The `unflatten` command is used to process Graphviz layout files, changing their structure to optimize visual rendering.

Programming
U
3

unrtf

3+ unrtf commands with exact syntax, verified examples, and copyable terminal workflows for filesystem tasks.

Filesystem
U
3

unset

The `unset` command is used to remove variables and functions in shell scripts and terminal sessions.

Programming
U
3

unsetopt

The `unsetopt` command helps manage multiple shell options systematically.

Programming
U
3

update-ca-certificates

3+ update-ca-certificates commands with exact syntax, verified examples, and copyable terminal workflows.

Uncategorized
U
3

update-initramfs

3+ update-initramfs commands with exact syntax, verified examples, and copyable terminal workflows.

Uncategorized
U
3

updpkgsums

3+ updpkgsums commands with exact syntax, verified examples, and copyable terminal workflows.

Uncategorized
U
3

upx

UPX help displays the command structure, options available, and examples for better understanding.

Filesystem
U
3

urpme

3+ urpme commands with exact syntax, verified examples, and copyable terminal workflows.

Uncategorized
U
3

urpmi.removemedia

3+ urpmi.removemedia commands with exact syntax, verified examples, and copyable terminal workflows.

Uncategorized
U
3

userdel

3+ userdel commands with exact syntax, verified examples, and copyable terminal workflows.

Uncategorized
U
3

usql

This command allows executing specific SQL commands directly against a SQL database.

Data Processing
U
3

uuencode

Converts files to base64 encoding for compatibility with systems that do not support binary data.

Filesystem
U
3

uuidd

3+ uuidd commands with exact syntax, verified examples, and copyable terminal workflows.

Uncategorized
U
2

u---user

Allows execution of commands as different users, ensuring necessary permissions are maintained for secure and accurate command operations.

System Operations
U
2

ul

2+ ul commands with exact syntax, verified examples, and copyable terminal workflows for filesystem tasks.

Filesystem
U
2

unp

The `unp` command efficiently extracts files from various compressed archive formats including .tar.gz and .rar.

Filesystem
U
2

unshadow

2+ unshadow commands with exact syntax, verified examples, and copyable terminal workflows for filesystem tasks.

Filesystem
U
2

unshare

2+ unshare commands with exact syntax, verified examples, and copyable terminal workflows for system operations tasks.

System Operations
U
2

until

The `systemctl` command is utilized to examine and manipulate systemd services within Linux distributions.

Cloud Infrastructure
U
2

updatedb

2+ updatedb commands with exact syntax, verified examples, and copyable terminal workflows.

Uncategorized
U
2

use

Modules in Metasploit are categorized objects used for penetration testing and exploitation of vulnerabilities.

Security
U
2

users

`users /var/log/wtmp` outputs logged-in usernames extracted from a specified log file.

System Operations
U
2

usleep

`usleep` enables delayed execution of subsequent commands, specified in microseconds.

System Operations
U
2

utmpdump

2+ utmpdump commands with exact syntax, verified examples, and copyable terminal workflows for observability tasks.

Observability
U
2

uudecode

Decodes the input file to a specified output file.

Filesystem
U
1

u

`u` performs an undo of the last operation within the application, essential for error recovery.

System Operations
U
1

u---unset

This command facilitates modification of environment for executed applications, enhancing debugging processes for setting dependencies.

System Operations
U
1

udevmon

1+ udevmon commands with exact syntax, verified examples, and copyable terminal workflows for filesystem tasks.

Filesystem
U
1

unclutter

1+ unclutter commands with exact syntax, verified examples, and copyable terminal workflows.

Uncategorized
U
1

undo-enter

The undo command in Ex allows users to revert to a previous state, vital in correcting errors during editing.

Filesystem
U
1

unhash

The `unhash` command allows shell users to restore original command functionality, effectively managing function overrides in scripts or interactive sessions.

Programming
U
1

universalaccessd

1+ universalaccessd commands with exact syntax, verified examples, and copyable terminal workflows.

Uncategorized
U
1

unlink

`unlink` removes a single link to a file, thereby reducing its link count in the filesystem.

Filesystem
U
1

unlzma

`unlzma` decompresses files compressed using LZMA compression to recover original data.

Filesystem
U
1

unxz

Unxz is a utility for decompressing XZ compressed files.

Filesystem
U
1

unzstd

Unzstd is a command-line tool for decompressing Zstandard compressed files.

Filesystem
U
1

update-help

1+ update-help commands with exact syntax, verified examples, and copyable terminal workflows for documentation tasks.

Documentation
U
1

upload

The upload command facilitates file transfer from a local machine to a remote host connected via WinRM.

Filesystem
U
1

url

Sets the HTTP user-agent string for the command line tools, critical for web scraping and compatibility testing.

Networking
U
1

username

This command establishes a new administrative user account with a designated privilege level and password on Cisco IOS devices.

Security
U
1

usernoted

1+ usernoted commands with exact syntax, verified examples, and copyable terminal workflows.

Uncategorized
U
1

userspec

Executes commands in a modified root environment, restricting access to specified directories and files. Requires effective configuration to ensure necessary binaries are present in the chroot path.

Filesystem
U
1

usr-libexec-locate.updatedb

1+ usr-libexec-locate.updatedb commands with exact syntax, verified examples, and copyable terminal workflows for filesystem tasks.

Filesystem